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: - https://zammad.org/ - https://ftp.zammad.com/ 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.