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.Referenceshttps://mail.python.org/archives/list/mailman-announce%40python.org/thread/IKCO6JU755AP5G5TKMBJL6IEZQTTNPDQ/https://bugs.launchpad.net/mailman/+bug/1947639http://www.openwall.com/lists/oss-security/2021/10/21/4https://www.debian.org/security/2021/dsa-4991
