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Zimbra

50 CVEs product

Monthly

Threat Model
CVE-2026-73570 Aug 13, 15:19 HIGH POC KEV EUVD KEV PATCH THREAT NEWS Act Now

Remote code execution in Zimbra Collaboration (ZCS) before 10.1.20 enables unauthenticated network attackers to execute arbitrary operating system commands as the Zimbra service account by sending specially crafted SMTP requests that trigger unsanitized input processing in the SNMP notification subsystem. Exploitation is conditional on the non-default zimbra-snmp package being installed and SNMP notifications being enabled, which meaningfully narrows the exposed population despite the CVSS 8.9 score. No public exploit code and no CISA KEV listing were identified at time of analysis.

RCE Command Injection Collaboration Zimbra
NVD VulDB GitHub
CVSS 3.1
8.9
EPSS
0.5%
Threat
4.8
CVE-2024-27443 Aug 12, 15:15 MEDIUM POC KEV THREAT This Month

An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Collaboration Zimbra
NVD
CVSS 3.1
6.1
EPSS
19.5%
CVE-2022-37393 Aug 16, 20:15 HIGH POC Act Now

Zimbra's sudo configuration permits the zimbra user to execute the zmslapd binary as root with arbitrary parameters. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Collaboration Zimbra
NVD GitHub
CVSS 3.1
7.8
EPSS
1.7%
CVE-2026-73576 Aug 13, 15:26 MEDIUM PATCH This Month

JWT signing secret forgery in Zimbra Collaboration before 10.1.17 stems from the zimbraDocumentEditingJwtSecret being generated with an insecure pseudo-random number generator, yielding insufficient entropy. An authenticated attacker who captures a JWT token from the OnlyOffice integration can perform offline brute-force to recover the signing secret, then mint arbitrary forged tokens - enabling impersonation or unauthorized document access within the OnlyOffice workflow. No public exploit code and no CISA KEV listing have been identified at time of analysis; exploitation requires multi-step conditions including a valid Zimbra account and captured JWT traffic.

Information Disclosure Collaboration Zimbra
NVD VulDB
CVSS 3.1
6.5
EPSS
0.2%
CVE-2026-73575 Aug 13, 15:24 LOW PATCH Monitor

Cross-site request forgery in Zimbra Collaboration's Exchange Web Services (EWS) endpoint (versions before 10.1.17) allows a network-based attacker to perform unauthorized actions on behalf of an authenticated victim by exploiting insufficient content-type validation. Exploitation requires tricking a logged-in Zimbra user into interacting with attacker-controlled content, after which the browser automatically submits a crafted EWS request within the victim's session context. No public exploit has been identified and this CVE is absent from the CISA KEV catalog; the CVSS score of 3.1 accurately reflects the high attack complexity and integrity-only impact bounded to the victim's account.

CSRF Microsoft Collaboration Zimbra
NVD VulDB
CVSS 3.1
3.5
EPSS
0.1%
CVE-2026-73574 Aug 13, 15:23 MEDIUM PATCH This Month

Local file inclusion in Zimbra Collaboration's Classic Web Client (versions before 10.1.17) exposes protected server-side files via the Forward servlet's unvalidated 'fu' request parameter. An attacker supplying a crafted path can read files such as WEB-INF/web.xml, leaking application configuration including database credentials, internal class mappings, and security settings. The vulnerability carries a low CVSS score of 3.1, but the confidentiality impact of web.xml disclosure can be disproportionately severe since that file often contains secrets used to pivot further. No public exploit code or CISA KEV listing has been identified at time of analysis.

Authentication Bypass Collaboration Zimbra
NVD VulDB
CVSS 3.1
6.5
EPSS
0.2%
CVE-2026-73573 Aug 13, 15:22 MEDIUM PATCH This Month

Path traversal in Zimbra Collaboration Suite (ZCS) Briefcase document editing exposes sensitive web application files to authenticated low-privileged users. The vulnerability stems from improper validation of the `packages` parameter, enabling directory escape via crafted traversal sequences. No public exploit code or CISA KEV listing has been identified at time of analysis; the vendor has released a fix in version 10.1.17.

Path Traversal Collaboration Zimbra
NVD VulDB
CVSS 3.1
6.5
EPSS
0.3%
CVE-2026-73572 Aug 13, 15:21 MEDIUM PATCH This Month

Stored XSS in Zimbra Collaboration Classic Web Client before 10.1.17 enables remote, unauthenticated attackers to deliver malicious JavaScript via crafted email attachments, which executes in the victim's browser session upon inline preview. Affected organizations running ZCS versions prior to 10.1.17 are exposed to session hijacking, unauthorized webmail actions, and data exfiltration without the attacker needing any account on the target system. No active exploitation has been confirmed by CISA KEV, and no public exploit code has been identified at time of analysis, but the email delivery vector requires no attacker foothold and lowers the exploitation barrier significantly.

XSS Authentication Bypass Collaboration Zimbra
NVD VulDB
CVSS 3.1
6.1
EPSS
0.2%
CVE-2026-73571 Aug 13, 15:20 MEDIUM PATCH This Month

Authorization bypass in Zimbra Collaboration (ZCS) before 10.1.17 allows authenticated users to impersonate other accounts and send emails by exploiting improper permission validation in the SaveDraftRequest SOAP handler. An attacker with a valid low-privilege account can craft SOAP requests that circumvent delegation and send-as permission checks, enabling unauthorized email impersonation without possessing the required access grants. No active exploitation has been confirmed (no CISA KEV listing) and no public exploit code has been identified at time of analysis; the CVSS score of 3.1 reflects the constrained real-world impact.

Authentication Bypass Collaboration Zimbra
NVD VulDB
CVSS 3.1
4.3
EPSS
0.2%
CVE-2025-71275 Mar 24, 15:21 CRITICAL POC Act Now

A critical unauthenticated remote code execution vulnerability exists in Zimbra Collaboration Suite PostJournal service version 8.8.15, allowing attackers to execute arbitrary system commands via SMTP injection through improper sanitization of the RCPT TO parameter using shell expansion syntax. A publicly available proof-of-concept exploit exists (PacketStorm), significantly increasing exploitation risk. With a CVSS score of 9.8 and network-accessible attack vector requiring no authentication or user interaction, this represents an immediate threat to exposed Zimbra installations.

RCE Command Injection Zimbra Collaboration Suite Zimbra
NVD VulDB
CVSS 4.0
9.3
EPSS
0.5%
CVE-2025-27914 Mar 12, 15:15 MEDIUM This Month

An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0 and 10.1. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

XSS Collaboration Zimbra
NVD
CVSS 3.1
5.4
EPSS
0.1%
CVE-2024-9665 Nov 22, 21:15 MEDIUM This Month

Zimbra GraphQL Cross-Site Request Forgery Information Disclosure Vulnerability. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure CSRF Zimbra
NVD
CVSS 3.1
6.5
EPSS
0.5%
CVE-2024-45518 Oct 22, 17:15 HIGH This Week

An issue was discovered in Zimbra Collaboration (ZCS) 10.1.x before 10.1.1, 10.0.x before 10.0.9, 9.0.0 before Patch 41, and 8.8.15 before Patch 46. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

XSS RCE Command Injection SSRF Collaboration +1
NVD
CVSS 3.1
8.8
EPSS
20.3%
CVE-2024-33536 Aug 12, 15:15 MEDIUM This Month

An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

XSS Collaboration Zimbra
NVD
CVSS 3.1
5.4
EPSS
0.2%
CVE-2024-33535 Aug 12, 15:15 HIGH This Week

An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Path Traversal Collaboration Zimbra
NVD
CVSS 3.1
7.5
EPSS
0.6%
CVE-2024-33533 Aug 12, 15:15 MEDIUM This Month

An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0, issue 1 of 2. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

XSS Collaboration Zimbra
NVD
CVSS 3.1
5.4
EPSS
0.3%
CVE-2024-27442 Aug 12, 15:15 HIGH This Week

An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Privilege Escalation Collaboration Zimbra
NVD
CVSS 3.1
7.8
EPSS
0.3%
CVE-2017-20188 Jan 02, 15:15 LOW PATCH Monitor

A vulnerability has been found in Zimbra zm-ajax up to 8.8.1 and classified as problematic. Rated low severity (CVSS 2.6), this vulnerability is remotely exploitable. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

XSS Zm Ajax Zimbra
NVD GitHub VulDB
CVSS 3.1
2.6
EPSS
0.1%
CVE-2023-43103 Dec 07, 06:15 MEDIUM PATCH This Month

An XSS issue was discovered in a web endpoint in Zimbra Collaboration (ZCS) before 10.0.4 via an unsanitized parameter. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

XSS Collaboration Zimbra
NVD
CVSS 3.1
6.1
EPSS
0.4%
CVE-2023-43102 Dec 07, 06:15 MEDIUM PATCH This Month

An issue was discovered in Zimbra Collaboration (ZCS) before 10.0.4. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

XSS Collaboration Zimbra
NVD
CVSS 3.1
6.1
EPSS
0.4%
CVE-2023-41106 Dec 07, 05:15 HIGH This Week

An issue was discovered in Zimbra Collaboration (ZCS) before 10.0.3. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Collaboration Zimbra
NVD
CVSS 3.1
7.5
EPSS
0.9%
CVE-2023-38750 Jul 31, 16:15 HIGH This Week

In Zimbra Collaboration (ZCS) 8 before 8.8.15 Patch 41, 9 before 9.0.0 Patch 34, and 10 before 10.0.2, internal JSP and XML files can be exposed. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Zimbra
NVD
CVSS 3.1
7.5
EPSS
0.7%
CVE-2023-34193 Jul 06, 16:15 HIGH This Week

File Upload vulnerability in Zimbra ZCS 8.8.15 allows an authenticated privileged user to execute arbitrary code and obtain sensitive information via the ClientUploader function. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RCE File Upload Collaboration Zimbra
NVD
CVSS 3.1
8.8
EPSS
1.2%
CVE-2023-29382 Jul 06, 16:15 CRITICAL Act Now

An issue in Zimbra Collaboration ZCS v.8.8.15 and v.9.0 allows an attacker to execute arbitrary code via the sfdc_preauth.jsp component. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Code Injection Collaboration Zimbra
NVD
CVSS 3.1
9.8
EPSS
1.0%
CVE-2023-29381 Jul 06, 16:15 CRITICAL Act Now

An issue in Zimbra Collaboration (ZCS) v.8.8.15 and v.9.0 allows a remote attacker to escalate privileges and obtain sensitive information via the password and 2FA parameters. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Collaboration Zimbra
NVD
CVSS 3.1
9.8
EPSS
1.0%
CVE-2023-24032 Jun 15, 21:15 HIGH PATCH This Week

In Zimbra Collaboration Suite through 9.0 and 8.8.15, an attacker (who has initial user access to a Zimbra server instance) can execute commands as root by passing one of JVM arguments, leading to. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Command Injection vulnerability could allow attackers to inject arbitrary commands into system command execution.

Privilege Escalation Command Injection Collaboration Zimbra
NVD
CVSS 3.1
7.8
EPSS
1.0%
CVE-2023-24031 Jun 15, 21:15 MEDIUM This Month

An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 8.8.15. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Information Disclosure Collaboration Zimbra
NVD
CVSS 3.1
6.1
EPSS
0.4%
CVE-2023-24030 Jun 15, 21:15 MEDIUM This Month

An open redirect vulnerability exists in the /preauth Servlet in Zimbra Collaboration Suite through 9.0 and 8.8.15. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Open Redirect Collaboration Zimbra
NVD
CVSS 3.1
6.1
EPSS
0.4%
CVE-2022-45912 Dec 05, 22:15 HIGH This Week

An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RCE File Upload Collaboration Zimbra
NVD GitHub
CVSS 3.1
7.2
EPSS
1.1%
CVE-2022-41351 Oct 12, 20:15 MEDIUM This Month

In Zimbra Collaboration Suite (ZCS) 8.8.15, at the URL /h/calendar, one can trigger XSS by adding JavaScript code to the view parameter and changing the value of the uncheck parameter to a string. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Collaboration Zimbra
NVD VulDB
CVSS 3.1
6.1
EPSS
0.4%
CVE-2022-41350 Oct 12, 20:15 MEDIUM This Month

In Zimbra Collaboration Suite (ZCS) 8.8.15, /h/search?action=voicemail&action=listen accepts a phone parameter that is vulnerable to Reflected XSS. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Collaboration Zimbra
NVD
CVSS 3.1
6.1
EPSS
0.4%
CVE-2022-41349 Oct 12, 20:15 MEDIUM This Month

In Zimbra Collaboration Suite (ZCS) 8.8.15, the URL at /h/compose accepts an attachUrl parameter that is vulnerable to Reflected XSS. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Collaboration Zimbra
NVD VulDB
CVSS 3.1
6.1
EPSS
0.4%
CVE-2022-41348 Oct 12, 20:15 MEDIUM This Month

An issue was discovered in Zimbra Collaboration (ZCS) 9.0. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Information Disclosure Collaboration Zimbra
NVD VulDB
CVSS 3.1
6.1
EPSS
0.4%
CVE-2022-41347 Sep 26, 02:15 HIGH POC PATCH This Week

An issue was discovered in Zimbra Collaboration (ZCS) 8.8.x and 9.x (e.g., 8.8.15). Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.

Information Disclosure Nginx Collaboration Zimbra
NVD GitHub
CVSS 3.1
7.8
EPSS
0.4%
CVE-2022-37044 Aug 12, 15:15 MEDIUM PATCH This Month

In Zimbra Collaboration Suite (ZCS) 8.8.15, the URL at /h/search?action accepts parameters called extra, title, and onload that are partially sanitised and lead to reflected XSS that allows executing. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

XSS Collaboration Zimbra
NVD
CVSS 3.1
6.1
EPSS
0.4%
CVE-2022-37043 Aug 12, 15:15 MEDIUM PATCH This Month

An issue was discovered in the webmail component in Zimbra Collaboration Suite (ZCS) 8.8.15 and 9.0. Rated medium severity (CVSS 5.7), this vulnerability is remotely exploitable, low attack complexity. This Cross-Site Request Forgery (CSRF) vulnerability could allow attackers to trick authenticated users into performing unintended actions.

CSRF Collaboration Zimbra
NVD
CVSS 3.1
5.7
EPSS
0.3%
CVE-2022-37041 Aug 12, 15:15 HIGH PATCH This Week

An issue was discovered in ProxyServlet.java in the /proxy servlet in Zimbra Collaboration Suite (ZCS) 8.8.15 and 9.0. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Server-Side Request Forgery (SSRF) vulnerability could allow attackers to make the server perform requests to unintended internal or external resources.

Java SSRF Collaboration Zimbra
NVD
CVSS 3.1
7.5
EPSS
0.5%
CVE-2022-32294 Jul 11, 03:15 CRITICAL Act Now

Zimbra Collaboration Open Source 8.8.15 does not encrypt the initial-login randomly created password (from the "zmprove ca" command). Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Collaboration Zimbra
NVD GitHub
CVSS 3.1
9.8
EPSS
2.4%
CVE-2021-35209 Jul 02, 19:15 CRITICAL POC Act Now

An issue was discovered in ProxyServlet.java in the /proxy servlet in Zimbra Collaboration Suite 8.8 before 8.8.15 Patch 23 and 9.x before 9.0.0 Patch 16. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Java SSRF Collaboration Zimbra
NVD
CVSS 3.1
9.8
EPSS
3.0%
CVE-2021-35208 Jul 02, 19:15 MEDIUM POC This Month

An issue was discovered in ZmMailMsgView.js in the Calendar Invite component in Zimbra Collaboration Suite 8.8.x before 8.8.15 Patch 23. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

XSS Collaboration Zimbra
NVD
CVSS 3.1
5.4
EPSS
1.3%
CVE-2021-35207 Jul 02, 19:15 MEDIUM This Month

An issue was discovered in Zimbra Collaboration Suite 8.8 before 8.8.15 Patch 23 and 9.0 before 9.0.0 Patch 16. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Collaboration Zimbra
NVD
CVSS 3.1
6.1
EPSS
3.3%
CVE-2021-34807 Jul 02, 19:15 MEDIUM This Month

An open redirect vulnerability exists in the /preauth Servlet in Zimbra Collaboration Suite through 9.0. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Open Redirect Collaboration Zimbra
NVD
CVSS 3.1
6.1
EPSS
1.0%
CVE-2020-35123 Dec 17, 04:15 MEDIUM This Month

In Zimbra Collaboration Suite Network Edition versions < 9.0.0 P10 and 8.8.15 P17, there exists an XXE vulnerability in the saml consumer store extension, which is vulnerable to XXE attacks. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

XXE Collaboration Zimbra
NVD
CVSS 3.1
6.5
EPSS
1.5%
CVE-2020-11737 May 05, 15:15 MEDIUM This Month

A cross-site scripting (XSS) vulnerability in Web Client in Zimbra 9.0 allows a remote attacker to craft links in an E-Mail message or calendar invite to execute arbitrary JavaScript. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Zimbra
NVD
CVSS 3.1
6.1
EPSS
1.7%
CVE-2020-10194 Mar 20, 21:15 MEDIUM PATCH This Month

cs/service/account/AutoCompleteGal.java in Zimbra zm-mailbox before 8.8.15.p8 allows authenticated users to request any GAL account. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. This Missing Authorization vulnerability could allow attackers to access resources or perform actions without proper authorization checks.

Authentication Bypass Java Zimbra Zm Mailbox
NVD GitHub
CVSS 3.1
6.5
EPSS
1.2%
CVE-2018-10939 May 30, 21:29 MEDIUM PATCH This Month

Zimbra Web Client (ZWC) in Zimbra Collaboration Suite 8.8 before 8.8.8.Patch4 and 8.7 before 8.7.11.Patch4 has Persistent XSS via a contact group. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

XSS Zimbra Collaboration Suite Zimbra Synacor
NVD
CVSS 3.0
6.1
EPSS
1.4%
CVE-2016-5721 Aug 29, 17:59 MEDIUM This Month

Multiple cross-site scripting (XSS) vulnerabilities in Zimbra Collaboration before 8.7.0 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Zimbra Zimbra Collaboration Server
NVD
CVSS 3.0
6.1
EPSS
0.3%
CVE-2015-6541 Apr 08, 14:59 HIGH POC This Week

Multiple cross-site request forgery (CSRF) vulnerabilities in the Mail interface in Zimbra Collaboration Server (ZCS) before 8.5 allow remote attackers to hijack the authentication of arbitrary users. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

CSRF Zimbra Zimbra Collaboration Server
NVD Exploit-DB
CVSS 3.0
8.8
EPSS
0.3%
CVE-2013-7217 Dec 26, 18:55 CRITICAL Act Now

Unspecified vulnerability in Zimbra Collaboration Server 7.2.5 and earlier, and 8.0.x through 8.0.5, has "critical" impact and unspecified vectors, a different vulnerability than CVE-2013-7091. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Information Disclosure Collaboration Server Zimbra
NVD
CVSS 2.0
10.0
EPSS
1.3%
CVE-2012-1213 Feb 24, 13:55 MEDIUM POC This Month

Cross-site scripting (XSS) vulnerability in zimbra/h/calendar in Zimbra Web Client in Zimbra Collaboration Suite (ZCS) 6.x before 6.0.15 and 7.x before 7.1.3 allows remote attackers to inject. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.

XSS Zimbra
NVD Exploit-DB
CVSS 2.0
4.3
EPSS
2.4%
Threat Model
EPSS 1% 4.8 CVSS 8.9
HIGH POC KEV EUVD KEV PATCH THREAT Act Now

Remote code execution in Zimbra Collaboration (ZCS) before 10.1.20 enables unauthenticated network attackers to execute arbitrary operating system commands as the Zimbra service account by sending specially crafted SMTP requests that trigger unsanitized input processing in the SNMP notification subsystem. Exploitation is conditional on the non-default zimbra-snmp package being installed and SNMP notifications being enabled, which meaningfully narrows the exposed population despite the CVSS 8.9 score. No public exploit code and no CISA KEV listing were identified at time of analysis.

RCE Command Injection Collaboration +1
NVD VulDB GitHub
EPSS 20% CVSS 6.1
MEDIUM POC KEV THREAT This Month

An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Collaboration Zimbra
NVD
EPSS 2% CVSS 7.8
HIGH POC Act Now

Zimbra's sudo configuration permits the zimbra user to execute the zmslapd binary as root with arbitrary parameters. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Collaboration Zimbra
NVD GitHub
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

JWT signing secret forgery in Zimbra Collaboration before 10.1.17 stems from the zimbraDocumentEditingJwtSecret being generated with an insecure pseudo-random number generator, yielding insufficient entropy. An authenticated attacker who captures a JWT token from the OnlyOffice integration can perform offline brute-force to recover the signing secret, then mint arbitrary forged tokens - enabling impersonation or unauthorized document access within the OnlyOffice workflow. No public exploit code and no CISA KEV listing have been identified at time of analysis; exploitation requires multi-step conditions including a valid Zimbra account and captured JWT traffic.

Information Disclosure Collaboration Zimbra
NVD VulDB
EPSS 0% CVSS 3.5
LOW PATCH Monitor

Cross-site request forgery in Zimbra Collaboration's Exchange Web Services (EWS) endpoint (versions before 10.1.17) allows a network-based attacker to perform unauthorized actions on behalf of an authenticated victim by exploiting insufficient content-type validation. Exploitation requires tricking a logged-in Zimbra user into interacting with attacker-controlled content, after which the browser automatically submits a crafted EWS request within the victim's session context. No public exploit has been identified and this CVE is absent from the CISA KEV catalog; the CVSS score of 3.1 accurately reflects the high attack complexity and integrity-only impact bounded to the victim's account.

CSRF Microsoft Collaboration +1
NVD VulDB
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

Local file inclusion in Zimbra Collaboration's Classic Web Client (versions before 10.1.17) exposes protected server-side files via the Forward servlet's unvalidated 'fu' request parameter. An attacker supplying a crafted path can read files such as WEB-INF/web.xml, leaking application configuration including database credentials, internal class mappings, and security settings. The vulnerability carries a low CVSS score of 3.1, but the confidentiality impact of web.xml disclosure can be disproportionately severe since that file often contains secrets used to pivot further. No public exploit code or CISA KEV listing has been identified at time of analysis.

Authentication Bypass Collaboration Zimbra
NVD VulDB
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

Path traversal in Zimbra Collaboration Suite (ZCS) Briefcase document editing exposes sensitive web application files to authenticated low-privileged users. The vulnerability stems from improper validation of the `packages` parameter, enabling directory escape via crafted traversal sequences. No public exploit code or CISA KEV listing has been identified at time of analysis; the vendor has released a fix in version 10.1.17.

Path Traversal Collaboration Zimbra
NVD VulDB
EPSS 0% CVSS 6.1
MEDIUM PATCH This Month

Stored XSS in Zimbra Collaboration Classic Web Client before 10.1.17 enables remote, unauthenticated attackers to deliver malicious JavaScript via crafted email attachments, which executes in the victim's browser session upon inline preview. Affected organizations running ZCS versions prior to 10.1.17 are exposed to session hijacking, unauthorized webmail actions, and data exfiltration without the attacker needing any account on the target system. No active exploitation has been confirmed by CISA KEV, and no public exploit code has been identified at time of analysis, but the email delivery vector requires no attacker foothold and lowers the exploitation barrier significantly.

XSS Authentication Bypass Collaboration +1
NVD VulDB
EPSS 0% CVSS 4.3
MEDIUM PATCH This Month

Authorization bypass in Zimbra Collaboration (ZCS) before 10.1.17 allows authenticated users to impersonate other accounts and send emails by exploiting improper permission validation in the SaveDraftRequest SOAP handler. An attacker with a valid low-privilege account can craft SOAP requests that circumvent delegation and send-as permission checks, enabling unauthorized email impersonation without possessing the required access grants. No active exploitation has been confirmed (no CISA KEV listing) and no public exploit code has been identified at time of analysis; the CVSS score of 3.1 reflects the constrained real-world impact.

Authentication Bypass Collaboration Zimbra
NVD VulDB
EPSS 0% CVSS 9.3
CRITICAL POC Act Now

A critical unauthenticated remote code execution vulnerability exists in Zimbra Collaboration Suite PostJournal service version 8.8.15, allowing attackers to execute arbitrary system commands via SMTP injection through improper sanitization of the RCPT TO parameter using shell expansion syntax. A publicly available proof-of-concept exploit exists (PacketStorm), significantly increasing exploitation risk. With a CVSS score of 9.8 and network-accessible attack vector requiring no authentication or user interaction, this represents an immediate threat to exposed Zimbra installations.

RCE Command Injection Zimbra Collaboration Suite +1
NVD VulDB
EPSS 0% CVSS 5.4
MEDIUM This Month

An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0 and 10.1. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

XSS Collaboration Zimbra
NVD
EPSS 0% CVSS 6.5
MEDIUM This Month

Zimbra GraphQL Cross-Site Request Forgery Information Disclosure Vulnerability. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure CSRF Zimbra
NVD
EPSS 20% CVSS 8.8
HIGH This Week

An issue was discovered in Zimbra Collaboration (ZCS) 10.1.x before 10.1.1, 10.0.x before 10.0.9, 9.0.0 before Patch 41, and 8.8.15 before Patch 46. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

XSS RCE Command Injection +3
NVD
EPSS 0% CVSS 5.4
MEDIUM This Month

An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

XSS Collaboration Zimbra
NVD
EPSS 1% CVSS 7.5
HIGH This Week

An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Path Traversal Collaboration +1
NVD
EPSS 0% CVSS 5.4
MEDIUM This Month

An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0, issue 1 of 2. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

XSS Collaboration Zimbra
NVD
EPSS 0% CVSS 7.8
HIGH This Week

An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Privilege Escalation Collaboration Zimbra
NVD
EPSS 0% CVSS 2.6
LOW PATCH Monitor

A vulnerability has been found in Zimbra zm-ajax up to 8.8.1 and classified as problematic. Rated low severity (CVSS 2.6), this vulnerability is remotely exploitable. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

XSS Zm Ajax Zimbra
NVD GitHub VulDB
EPSS 0% CVSS 6.1
MEDIUM PATCH This Month

An XSS issue was discovered in a web endpoint in Zimbra Collaboration (ZCS) before 10.0.4 via an unsanitized parameter. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

XSS Collaboration Zimbra
NVD
EPSS 0% CVSS 6.1
MEDIUM PATCH This Month

An issue was discovered in Zimbra Collaboration (ZCS) before 10.0.4. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

XSS Collaboration Zimbra
NVD
EPSS 1% CVSS 7.5
HIGH This Week

An issue was discovered in Zimbra Collaboration (ZCS) before 10.0.3. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Collaboration Zimbra
NVD
EPSS 1% CVSS 7.5
HIGH This Week

In Zimbra Collaboration (ZCS) 8 before 8.8.15 Patch 41, 9 before 9.0.0 Patch 34, and 10 before 10.0.2, internal JSP and XML files can be exposed. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Zimbra
NVD
EPSS 1% CVSS 8.8
HIGH This Week

File Upload vulnerability in Zimbra ZCS 8.8.15 allows an authenticated privileged user to execute arbitrary code and obtain sensitive information via the ClientUploader function. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RCE File Upload Collaboration +1
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

An issue in Zimbra Collaboration ZCS v.8.8.15 and v.9.0 allows an attacker to execute arbitrary code via the sfdc_preauth.jsp component. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Code Injection Collaboration +1
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

An issue in Zimbra Collaboration (ZCS) v.8.8.15 and v.9.0 allows a remote attacker to escalate privileges and obtain sensitive information via the password and 2FA parameters. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Collaboration Zimbra
NVD
EPSS 1% CVSS 7.8
HIGH PATCH This Week

In Zimbra Collaboration Suite through 9.0 and 8.8.15, an attacker (who has initial user access to a Zimbra server instance) can execute commands as root by passing one of JVM arguments, leading to. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Command Injection vulnerability could allow attackers to inject arbitrary commands into system command execution.

Privilege Escalation Command Injection Collaboration +1
NVD
EPSS 0% CVSS 6.1
MEDIUM This Month

An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 8.8.15. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Information Disclosure Collaboration +1
NVD
EPSS 0% CVSS 6.1
MEDIUM This Month

An open redirect vulnerability exists in the /preauth Servlet in Zimbra Collaboration Suite through 9.0 and 8.8.15. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Open Redirect Collaboration Zimbra
NVD
EPSS 1% CVSS 7.2
HIGH This Week

An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RCE File Upload Collaboration +1
NVD GitHub
EPSS 0% CVSS 6.1
MEDIUM This Month

In Zimbra Collaboration Suite (ZCS) 8.8.15, at the URL /h/calendar, one can trigger XSS by adding JavaScript code to the view parameter and changing the value of the uncheck parameter to a string. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Collaboration Zimbra
NVD VulDB
EPSS 0% CVSS 6.1
MEDIUM This Month

In Zimbra Collaboration Suite (ZCS) 8.8.15, /h/search?action=voicemail&action=listen accepts a phone parameter that is vulnerable to Reflected XSS. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Collaboration Zimbra
NVD
EPSS 0% CVSS 6.1
MEDIUM This Month

In Zimbra Collaboration Suite (ZCS) 8.8.15, the URL at /h/compose accepts an attachUrl parameter that is vulnerable to Reflected XSS. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Collaboration Zimbra
NVD VulDB
EPSS 0% CVSS 6.1
MEDIUM This Month

An issue was discovered in Zimbra Collaboration (ZCS) 9.0. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Information Disclosure Collaboration +1
NVD VulDB
EPSS 0% CVSS 7.8
HIGH POC PATCH This Week

An issue was discovered in Zimbra Collaboration (ZCS) 8.8.x and 9.x (e.g., 8.8.15). Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.

Information Disclosure Nginx Collaboration +1
NVD GitHub
EPSS 0% CVSS 6.1
MEDIUM PATCH This Month

In Zimbra Collaboration Suite (ZCS) 8.8.15, the URL at /h/search?action accepts parameters called extra, title, and onload that are partially sanitised and lead to reflected XSS that allows executing. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

XSS Collaboration Zimbra
NVD
EPSS 0% CVSS 5.7
MEDIUM PATCH This Month

An issue was discovered in the webmail component in Zimbra Collaboration Suite (ZCS) 8.8.15 and 9.0. Rated medium severity (CVSS 5.7), this vulnerability is remotely exploitable, low attack complexity. This Cross-Site Request Forgery (CSRF) vulnerability could allow attackers to trick authenticated users into performing unintended actions.

CSRF Collaboration Zimbra
NVD
EPSS 1% CVSS 7.5
HIGH PATCH This Week

An issue was discovered in ProxyServlet.java in the /proxy servlet in Zimbra Collaboration Suite (ZCS) 8.8.15 and 9.0. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Server-Side Request Forgery (SSRF) vulnerability could allow attackers to make the server perform requests to unintended internal or external resources.

Java SSRF Collaboration +1
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

Zimbra Collaboration Open Source 8.8.15 does not encrypt the initial-login randomly created password (from the "zmprove ca" command). Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Collaboration Zimbra
NVD GitHub
EPSS 3% CVSS 9.8
CRITICAL POC Act Now

An issue was discovered in ProxyServlet.java in the /proxy servlet in Zimbra Collaboration Suite 8.8 before 8.8.15 Patch 23 and 9.x before 9.0.0 Patch 16. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Java SSRF Collaboration +1
NVD
EPSS 1% CVSS 5.4
MEDIUM POC This Month

An issue was discovered in ZmMailMsgView.js in the Calendar Invite component in Zimbra Collaboration Suite 8.8.x before 8.8.15 Patch 23. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

XSS Collaboration Zimbra
NVD
EPSS 3% CVSS 6.1
MEDIUM This Month

An issue was discovered in Zimbra Collaboration Suite 8.8 before 8.8.15 Patch 23 and 9.0 before 9.0.0 Patch 16. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Collaboration Zimbra
NVD
EPSS 1% CVSS 6.1
MEDIUM This Month

An open redirect vulnerability exists in the /preauth Servlet in Zimbra Collaboration Suite through 9.0. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Open Redirect Collaboration Zimbra
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

In Zimbra Collaboration Suite Network Edition versions < 9.0.0 P10 and 8.8.15 P17, there exists an XXE vulnerability in the saml consumer store extension, which is vulnerable to XXE attacks. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

XXE Collaboration Zimbra
NVD
EPSS 2% CVSS 6.1
MEDIUM This Month

A cross-site scripting (XSS) vulnerability in Web Client in Zimbra 9.0 allows a remote attacker to craft links in an E-Mail message or calendar invite to execute arbitrary JavaScript. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Zimbra
NVD
EPSS 1% CVSS 6.5
MEDIUM PATCH This Month

cs/service/account/AutoCompleteGal.java in Zimbra zm-mailbox before 8.8.15.p8 allows authenticated users to request any GAL account. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. This Missing Authorization vulnerability could allow attackers to access resources or perform actions without proper authorization checks.

Authentication Bypass Java Zimbra +1
NVD GitHub
EPSS 1% CVSS 6.1
MEDIUM PATCH This Month

Zimbra Web Client (ZWC) in Zimbra Collaboration Suite 8.8 before 8.8.8.Patch4 and 8.7 before 8.7.11.Patch4 has Persistent XSS via a contact group. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

XSS Zimbra Collaboration Suite Zimbra +1
NVD
EPSS 0% CVSS 6.1
MEDIUM This Month

Multiple cross-site scripting (XSS) vulnerabilities in Zimbra Collaboration before 8.7.0 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Zimbra Zimbra Collaboration Server
NVD
EPSS 0% CVSS 8.8
HIGH POC This Week

Multiple cross-site request forgery (CSRF) vulnerabilities in the Mail interface in Zimbra Collaboration Server (ZCS) before 8.5 allow remote attackers to hijack the authentication of arbitrary users. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

CSRF Zimbra Zimbra Collaboration Server
NVD Exploit-DB
EPSS 1% CVSS 10.0
CRITICAL Act Now

Unspecified vulnerability in Zimbra Collaboration Server 7.2.5 and earlier, and 8.0.x through 8.0.5, has "critical" impact and unspecified vectors, a different vulnerability than CVE-2013-7091. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Information Disclosure Collaboration Server Zimbra
NVD
EPSS 2% CVSS 4.3
MEDIUM POC This Month

Cross-site scripting (XSS) vulnerability in zimbra/h/calendar in Zimbra Web Client in Zimbra Collaboration Suite (ZCS) 6.x before 6.0.15 and 7.x before 7.1.3 allows remote attackers to inject. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.

XSS Zimbra
NVD Exploit-DB

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