CVE-2022-27332: Zammad

Critical severity, CVSS 9.1. EPSS: 1.1% chance of exploitation in the next 30 days.

An access control issue in Zammad v5.0.3 allows attackers to write entries to the CTI caller log without authentication. This vulnerability can allow attackers to execute phishing attacks or cause a Denial of Service (DoS).

Affected products

• Zammad Zammad: before 5.1.0 (fixed in 5.1.0)

Published 2022-04-27. Last modified 2026-06-17.