What is the CVSS score of CVE-2015-6541?

CVE-2015-6541 has a CVSS 3.0 base score of 8.8 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.3%.

Is there a public PoC exploit available for CVE-2015-6541?

Yes, a public proof-of-concept exploit is available for CVE-2015-6541. Prioritise patching immediately. EPSS: 0.3%.

Zimbra Collaboration Server CVE-2015-6541

HIGH

Cross-Site Request Forgery (CSRF) (CWE-352)

2016-04-08 cve@mitre.org

CSRF Zimbra Collaboration Server

8.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Apr 08, 2016 - 14:59 cve.org

HIGH 8.8

DescriptionCVE.org

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 for requests that change account preferences via a SOAP request to service/soap/BatchRequest.

AnalysisAI

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.

Technical ContextAI

This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. 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 for requests that change account preferences via a SOAP request to service/soap/BatchRequest. Affected products include: Zimbra Zimbra Collaboration Server. Version information: before 8.5.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.