In GNU Mailman before 2.1.38, a list member or moderator can get a CSRF token and craft an admin request (using that token) to set a new admin password or make other changes.
https://bugs.launchpad.net/mailman/+bug/1952384
https://lists.debian.org/debian-lts-announce/2022/06/msg00011.html
Source: MITRE
Published: 2021-12-02
Updated: 2022-12-09
Type: CWE-352
Base Score: 6.8
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 8.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 2.8
Severity: HIGH