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Vulnerability record · CVE-2021-44227 · published 2 December 2021

CVE-2021-44227: Gnu mailman cross-site request forgery vulnerability

Gnu · Mailman

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.

8.8 CVSS 3.1 High EPSS 0.76% · top 46.6% CWE-352 · Cross-site request forgery
8.8CVSS 3.1 base score, v2 6.8
0.76%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

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

References

LinkTags
https://bugs.launchpad.net/mailman/+bug/1952384 Issue TrackingMailing ListPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/06/msg00011.html Mailing ListThird Party Advisory
https://bugs.launchpad.net/mailman/+bug/1952384 Issue TrackingMailing ListPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/06/msg00011.html Mailing ListThird Party Advisory

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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-2021-44227), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.