CVE-2020-26030
CRITICAL WAF: Low
CVSS 9.8
Published: 2020-12-28
CWE-287
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.
WAF Coverage Analysis
Improper Authentication
Low WAF Coverage
OWASP: A07:2021 Identification and Authentication Failures
Affected Software
| Vendor | Product | Version |
|---|---|---|
| zammad | zammad | 1.0.0 - 3.4.1 |
References
- zammad.com (Vendor Advisory)