CVE-2023-50454

5.9 mediumEPSS 0.3%

Medium (5.9) in zammad zammad. EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.9 medium

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 20% of CVEs (scores of 2026-10-31)
CWE: CWE-295
Published: 2023-12-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

zammad:zammad

References

https://zammad.com/en/advisories/zaa-2023-04
https://zammad.com/en/advisories/zaa-2023-04

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