Zammad
CVE-2021-42091
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Lifecycle Timeline
1DescriptionNVD
An issue was discovered in Zammad before 4.1.1. SSRF can occur via GitHub or GitLab integration.
AnalysisAI
An issue was discovered in Zammad before 4.1.1. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Server-Side Request Forgery (SSRF) (CWE-918), which allows attackers to make the server perform requests to unintended internal or external resources. An issue was discovered in Zammad before 4.1.1. SSRF can occur via GitHub or GitLab integration. Affected products include: Zammad. Version information: before 4.1.1..
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and allowlist destination URLs, block requests to internal networks, use network segmentation.
An issue was discovered in Zammad before 1.0.4, 1.1.x before 1.1.3, and 1.2.x before 1.2.1. Rated critical severity (CVS
An issue was discovered in Zammad before 1.0.4, 1.1.x before 1.1.3, and 1.2.x before 1.2.1, caused by lack of a protecti
Zammad 5.2.0 is vulnerable to privilege escalation. Rated critical severity (CVSS 9.8), this vulnerability is remotely e
An issue was discovered in Zammad before 4.1.1. Rated critical severity (CVSS 9.8), this vulnerability is remotely explo
An issue was discovered in Zammad before 4.1.1. Rated critical severity (CVSS 9.8), this vulnerability is remotely explo
An issue was discovered in Zammad before 3.4.1. Rated critical severity (CVSS 9.8), this vulnerability is remotely explo
An issue was discovered in Zammad before 6.3.0. Rated critical severity (CVSS 9.1), this vulnerability is remotely explo
An access control issue in Zammad v5.0.3 allows attackers to write entries to the CTI caller log without authentication.
A CSRF issue was discovered in Zammad before 1.0.4, 1.1.x before 1.1.3, and 1.2.x before 1.2.1. Rated high severity (CVS
An issue was discovered in Zammad before 4.1.1. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitab
Unauthenticated remote information disclosure in Zammad helpdesk system versions before 7.0.1 and 6.5.4 allows attackers
Remote code execution in Zammad 7.0.0 allows authenticated administrators with high-level privileges to inject malicious
Same weakness CWE-918 – Server-Side Request Forgery (SSRF)
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External POC / Exploit Code
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