Description
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.
References (1)
Core 1
Core References
Vendor Advisory
https://zammad.com/en/advisories/zaa-2023-04
Scores
CVSS v3
5.9
EPSS
0.0028
EPSS Percentile
19.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-295
Status
published
Products (2)
zammad/zammad
6.1.0 (2 CPE variants)
zammad/zammad
6.2.0 alpha
Published
Dec 10, 2023
Tracked Since
Feb 18, 2026