What is the CVSS score of CVE-2025-32358?

CVE-2025-32358 has a CVSS 3.1 base score of 4.0 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N. EPSS exploitation probability: 0.2%.

Which versions of Zammad are affected by CVE-2025-32358?

Organizations using Zammad 6.4.x should be aware of moderate risk from CVE-2025-32358, a server-side request forgery vulnerability rated CVSS 4.0.

How to fix or mitigate CVE-2025-32358?

Within 30 days: Identify affected systems running Zammad 6.4.x and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Zammad CVE-2025-32358

MEDIUM

Server-Side Request Forgery (SSRF) (CWE-918)

2025-04-05 cve@mitre.org

SSRF Zammad

4.0

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.0 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:35 vuln.today

CVE Published

Apr 05, 2025 - 21:15 nvd

MEDIUM 4.0

DescriptionCVE.org

In Zammad 6.4.x before 6.4.2, SSRF can occur. Authenticated admin users can enable webhooks in Zammad, which are triggered as POST requests when certain conditions are met. If a webhook endpoint returned a redirect response, Zammad would follow it automatically with another GET request. This could be abused by an attacker to cause GET requests for example in the local network.

AnalysisAI

In Zammad 6.4.x before 6.4.2, SSRF can occur. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, no authentication required. 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. In Zammad 6.4.x before 6.4.2, SSRF can occur. Authenticated admin users can enable webhooks in Zammad, which are triggered as POST requests when certain conditions are met. If a webhook endpoint returned a redirect response, Zammad would follow it automatically with another GET request. This could be abused by an attacker to cause GET requests for example in the local network. Affected products include: Zammad. Version information: before 6.4.2.

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.