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.
Special 🙏 and 🤘 and ❤️ to:
- N: Joe Helle
- W: https://themayor.tech/
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.