Security Advisory
ZAA-2022-05
· Please read carefully and check if the version of your Zammad system is affected by this vulnerability. Please send us information regarding vulnerabilities in Zammad!
Security Advisory Details
- ID: ZAA-2022-05
- Date: 07/05/2022
- Title: Denial Of Service
- Severity: high
- Product: Zammad 5.2.x
- Fixed in: Zammad 5.2.1
- References:
--> CVE-2022-35488
Vulnerability Descriptions
Denial Of Service
An attacker could manipulate the rate limiting in the 'forgot password' feature of Zammad, and thereby send many requests for a known account to cause Denial Of Service by many generated emails which would also spam the victim.
Recommended Resolution
This vulnerability is fixed in the latest versions of Zammad and it is recommended to upgrade to one of these.
Fixed releases can be found at:
Or just update your Zammad if installed via OS package manager.
Additional information
Online version of this advisory: https://zammad.com/en/advisories/zaa-2022-05
Send all remarks on security issues to security@zammad.com.