Security Advisory

ZAA-2021-10

· 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-2021-10
  • Date: 10/05/2021
  • Title: Remote Code Execution
  • Severity: medium
  • Product: Zammad 1.0.x up to 4.1.0
  • Fixed in: Zammad 4.1.1, 5.0.0
  • References:
    --> CVE: CVE-2021-42093

Vulnerability Descriptions

Remote Code Execution

An attacker with admin privileges may send a specially crafted request to Zammad to manipulate triggers in a way that can lead to execution of code on the server.

Special 🙏 and 🤘 and ❤️ to:

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:

Additional information

Online version of this advisory: https://zammad.com/en/advisories/zaa-2021-10

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

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