Description
Zammad before 3.3.1, when Domain Based Assignment is enabled, relies on a claimed e-mail address for authorization decisions. An attacker can register a new account that will have access to all tickets of an arbitrary Organization.
References (2)
Core 2
Core References
Vendor Advisory x_refsource_misc
https://zammad.com/news/security-advisory-zaa-2020-12
Patch, Third Party Advisory x_refsource_misc
https://github.com/zammad/zammad/commit/40148392426f626cb779c76d6bdda0f67bd6069d
Scores
CVSS v3
6.5
EPSS
0.0019
EPSS Percentile
40.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Details
CWE
CWE-863
Status
published
Products (1)
zammad/zammad
< 3.3.1
Published
Jun 16, 2020
Tracked Since
Feb 18, 2026