Please read carefully and check if the version of your Zammad system is affected by this vulnerability. Please send information regarding vulnerabilities in Zammad to: security at zammad.com
Special 🙏 and 🤘 and ❤️ to:
N: TÜV Rheinland i-sec GmbH
D: Security Researcher
N: Guardian Project
N: Center for Digital Resilience
N: James Kettle
D: Director of Research at PortSwigger Web Security aka @Burp_Suite
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.
Online version of this advisory: https://zammad.com/news/security-advisory-zaa-2020-02
Send all remarks to security issues to security @ zammad.com.