What’s Vulnerable › Vulnerabilities

CVE-2021-44227

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-12-02 · updated 2026-06-17
• Weakness: CWE-352

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.

Affected products

• Debian Linux: 9.0
• GNU Mailman: before 2.1.38 — fixed in 2.1.38

How to fix

Upgrade to a fixed version: GNU Mailman 2.1.38. Check the vendor advisory for mitigations.

References

• https://bugs.launchpad.net/mailman/+bug/1952384
• https://lists.debian.org/debian-lts-announce/2022/06/msg00011.html
• https://bugs.launchpad.net/mailman/+bug/1952384
• https://lists.debian.org/debian-lts-announce/2022/06/msg00011.html

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