CVE-2021-42096: Debian Linux

Medium severity, CVSS 4.3. EPSS: 1.3% chance of exploitation in the next 30 days.

GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A certain csrf_token value is derived from the admin password, and may be useful in conducting a brute-force attack against that password.

Affected products

  • Debian Debian Linux: version 10.0 only
  • GNU Mailman: before 2.1.35 (fixed in 2.1.35)

Published 2021-10-21. Last modified 2026-06-17.