critical9.8
CVE-2020-26030
An issue was discovered in Zammad before 3.4.1.
Impact
An issue was discovered in Zammad before 3.4.1. There is an authentication bypass in the SSO endpoint via a crafted header, when SSO is not configured. An attacker can create a valid and authenticated session that can be used to perform any actions in the name of other users.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Zammad | Zammad | from 1.0.0 before 3.4.1 |