Vulnerability record · CVE-2021-43332 · published 12 November 2021

CVE-2021-43332: Gnu mailman insufficiently protected credentials vulnerability

Gnu · Mailman

In GNU Mailman before 2.1.36, the CSRF token for the Cgi/admindb.py admindb page contains an encrypted version of the list admin password. This could potentially be cracked by a moderator via an offline brute-force attack.

6.5 CVSS 3.1 Medium EPSS 1.2% · top 34.3% CWE-522 · Insufficiently protected credentials

6.5CVSS 3.1 base score, v2 4.0

1.2%EPSS exploitation probability, 30 days

NoNot in CISA KEV

2Affected product versions listed by NVD

6References

17 Jun 2026Last modified by NVD

Description

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Debian Linux Debian

Mailman Gnu

References

Link	Tags
https://bugs.launchpad.net/mailman/+bug/1949403	Issue TrackingPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/06/msg00011.html	Mailing ListThird Party Advisory
https://mail.python.org/archives/list/mailman-announce%40python.org/message/I2X7PSFXIEPLM3UMKZMGOEO3UFYETGRL/
https://bugs.launchpad.net/mailman/+bug/1949403	Issue TrackingPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/06/msg00011.html	Mailing ListThird Party Advisory
https://mail.python.org/archives/list/mailman-announce%40python.org/message/I2X7PSFXIEPLM3UMKZMGOEO3UFYETGRL/

Track CVE-2021-43332 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-43332), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.