Vulnerability in Zammad

CVE-2023-50454

An issue was discovered in Zammad before 6.2.0. In several subsystems, SSL/TLS was used to establish connections to external services without proper validation of hostname and certificate authority. This is exploitable by man-in-the-middle attackers.

Vulnerability class: Improper Certificate Validation

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (18.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-50454: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • Zammad — versions 6.1.0, 6.2.0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-50454?
CVE-2023-50454 is a medium-severity vulnerability in Zammad, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2023-12-10.
How severe is CVE-2023-50454?
Medium severity. CVSS v3 base score is 5.9 out of 10.