CVE-2020-29159
An issue was discovered in Zammad before 3.5.1. The default signup Role (for newly created Users) can be a privileged Role, if configured by an admin. This behvaior was unintended.
Date published : 2020-12-28
https://github.com/zammad/zammad/commit/f0462d4c20c2968b52b5dc6a585f26c0409b4fc4