CVE-2021-42096

MEDIUM

GNU Mailman < 2.1.35 - Privilege Escalation via CSRF Token Brute-Force Attack

Title source: llm
STIX 2.1

Description

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.

References (4)

Core 4
Core References
Patch, Third Party Advisory x_refsource_confirm
https://bugs.launchpad.net/mailman/+bug/1947639
Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/10/21/4
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2021/dsa-4991

Scores

CVSS v3 4.3
EPSS 0.0032
EPSS Percentile 54.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Details

CWE
CWE-307
Status published
Products (2)
debian/debian_linux 10.0
gnu/mailman < 2.1.35
Published Oct 21, 2021
Tracked Since Feb 18, 2026