What is CVE-2025-32357?

CVE-2025-32357 is a medium-severity vulnerability in Zammad, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 4.3/10. Published 2025-04-05.

How severe is CVE-2025-32357?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Zammad

CVE-2025-32357

In Zammad 6.4.x before 6.4.2, an authenticated agent with knowledge base permissions was able to use the Zammad API to fetch knowledge base content that they have no permission for.

EPSS: 0.002 (16.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Zammad — versions 6.4

Weakness classification (CWE)

CWE-288 — Authentication Bypass Using an Alternate Path or Channel
CWE-306 — Missing Authentication for Critical Function

References

cve@mitre.org (Vendor Advisory)

Frequently asked questions

What is CVE-2025-32357?: CVE-2025-32357 is a medium-severity vulnerability in Zammad, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 4.3/10. Published 2025-04-05.
How severe is CVE-2025-32357?: Medium severity. CVSS v3 base score is 4.3 out of 10.