Security Advisory

ZAA-2022-07

· 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-2022-07
  • Date: 07/05/2022
  • Title: Unauthorized Access
  • Severity: high
  • Product: Zammad 5.2.x
  • Fixed in: Zammad 5.2.1
  • References:
    --> pending CVE assignment

Vulnerability Descriptions

Unauthorized Access

Zammad has a prevention against brute-force attacks trying to guess login credentials. After a configurable amount of attempts, users are invalidated and logins prevented. An attacker might work around this prevention, enabling them to send more than the configured amount of requests before the user invalidation takes place.

Special 🙏 and 🤘 and ❤️ to:

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-2022-07

Send all remarks on security issues to security@zammad.com.

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