# CVE-2021-44227: mailman: Mailman is a program used to help manage e-mail discussion lists.  Security Fix(es):  * mailman: CSRF token bypass al...

CVE-2021-44227 is fixed in mailman on 1 platform, first by mailman 1:2.1.26-1ubuntu0.6, released December 1, 2021. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-44227
- Priority: High
- CVSS: 8.8 (Important)
- EPSS: 0.0076
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 1, 2021

## Description

Mailman is a program used to help manage e-mail discussion lists.  Security Fix(es):  * mailman: CSRF token bypass allows to perform CSRF attacks and admin takeover (CVE-2021-44227)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | mailman RHEL 8 | 3:2.1.29-12.module+el8.5.0+13466+327eb9f3.2 | [RHSA-2021:4916](https://patchblox.com/security/data/fix/linux/rhsa-2021-4916.md) | Dec 2, 2021 |
| Linux | mailman Ubuntu 18.04.6 LTS (bionic) | 1:2.1.26-1ubuntu0.6 | [mailman 1:2.1.26-1ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mailman-1-2.1.26-1ubuntu0.6.md) | Dec 1, 2021 |
| Linux | mailman Ubuntu 20.04 LTS (focal) | 1:2.1.29-1ubuntu3.1+esm2 | [mailman 1:2.1.29-1ubuntu3.1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mailman-1-2.1.29-1ubuntu3.1-esm2.md) | Dec 1, 2021 |
| Linux | mailman almalinux 8 | 3:2.1.29-12.module_el8.5.0+26+48d4c9ee.2 | [ALSA-2021:4916](https://patchblox.com/security/data/fix/linux/alsa-2021-4916.md) | Dec 2, 2021 |
| Linux | mailman ol 8 | 3:2.1.29-12.module+el8.5.0+20436+78a1860c.2 | [ELSA-2021-4916](https://patchblox.com/security/data/fix/linux/elsa-2021-4916.md) | Dec 2, 2021 |
| Linux | mailman rocky 8 | 3:2.1.29-12.module+el8.5.0+717+27fd1ba7.2 | [RLSA-2021:4916](https://patchblox.com/security/data/fix/linux/rlsa-2021-4916.md) | Dec 2, 2021 |

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Data as of 2026-11-09T07:25:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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