What is CVE-2025-32358?

CVE-2025-32358 is a medium-severity vulnerability in Zammad, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.0/10. Published 2025-04-05.

How severe is CVE-2025-32358?

Medium severity. CVSS v3 base score is 4.0 out of 10.

SSRF in Zammad

CVE-2025-32358

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.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.003 (17.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N.

Affected products

Zammad — versions 6.4

Weakness classification (CWE)

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

References

cve@mitre.org (Vendor Advisory)

Frequently asked questions

What is CVE-2025-32358?: CVE-2025-32358 is a medium-severity vulnerability in Zammad, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.0/10. Published 2025-04-05.
How severe is CVE-2025-32358?: Medium severity. CVSS v3 base score is 4.0 out of 10.