CVE-2021-42091 : An issue was discovered in Zammad before 4.1.1. SSRF can occur via GitHub or Git

An issue was discovered in Zammad before 4.1.1. SSRF can occur via GitHub or GitLab integration.

Published 2021-10-07 21:15:08

Updated 2021-10-14 13:46:06

Source MITRE

View at NVD, CVE.org

Vulnerability category: Server-side request forgery (SSRF)

Products affected by CVE-2021-42091

Zammad » Zammad
Versions before (<) 4.1.1
cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.25%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 46 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.4	MEDIUM	AV:N/AC:L/Au:N/C:P/I:P/A:N	10.0	4.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: None
9.1	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N	3.9	5.2	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: None

CWE-918 Server-Side Request Forgery (SSRF)

The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

Assigned by: nvd@nist.gov (Primary)

https://zammad.com/en/advisories/zaa-2021-08

Security Advisory ZAA-2021-08 | Zammad
Vendor Advisory

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