CVE-2021-42097: Debian Linux
High severity, CVSS 8.0. EPSS: 1.3% chance of exploitation in the next 30 days.
GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A csrf_token value is not specific to a single user account. An attacker can obtain a value within the context of an unprivileged user account, and then use that value in a CSRF attack against an admin (e.g., for account takeover).
Affected products
Published 2021-10-21. Last modified 2026-06-17.