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TI-2021-19918 Aliases CVE-2021-44227GHSA-xq58-69h2-765m

In GNU Mailman before 2.1.38, a list member or moderator can get a CSRF token and craft…

Priority LOW 39CWE-352Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Tampering
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 6 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-352.

Summary

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.

Why it matters now

EPSS 0.00757 55th percentileScored 2026-11-07
Fix Partial mailman (PyPI): 2.1.38Red Hat: 5 advisoriesRed Hat: 6 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—mailman (PyPI)before 2.1.382.1.38Patch availableGHSA-xq58-69h2-765m
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • mailman (PyPI) Vendor— Affected before 2.1.38 Fixed in 2.1.38 Patch available GHSA-xq58-69h2-765m

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:gnu:mailman:*:*:*:*:*:*:*:*before 2.1.38VulnerableGNU
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
  • cpe:2.3:a:gnu:mailman:*:*:*:*:*:*:*:* Versions before 2.1.38 Vulnerable ·GNU
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian

Remediation

  • Fix · GHSA-xq58-69h2-765m mailman (PyPI) Fixed in 2.1.38 Advisory →

Red Hat 5 advisories

  • RHSA-2021:5080 Released 2021-12-13 · Red Hat rating Important
    mailman:2.1 security update
    • Red Hat Enterprise Linux AppStream EUS (v. 8.2) mailman-3:2.1.29-6.module+el8.2.0+13543+86b2c701.aarch64::mailman:2.1, mailman-3:2.1.29-6.module+el8.2.0+13543+86b2c701.ppc64le::mailman:2.1, mailman-3:2.1.29-6.module+el8.2.0+13543+86b2c701.s390x::mailman:2.1 +2
  • RHSA-2021:5081 Released 2021-12-13 · Red Hat rating Important
    mailman:2.1 security update
    • Red Hat Enterprise Linux AppStream E4S (v. 8.1) mailman-3:2.1.29-5.module+el8.1.0+13542+e9b93c88.ppc64le::mailman:2.1, mailman-3:2.1.29-5.module+el8.1.0+13542+e9b93c88.src::mailman:2.1, mailman-3:2.1.29-5.module+el8.1.0+13542+e9b93c88.x86_64::mailman:2.1
  • RHSA-2021:4913 Released 2021-12-02 · Red Hat rating Important
    mailman security update
    • Red Hat Enterprise Linux Server (v. 7) mailman-3:2.1.15-30.el7_9.2
    • Red Hat Enterprise Linux Workstation (v. 7) mailman-3:2.1.15-30.el7_9.2
Show 2 more Red Hat advisories
  • RHSA-2021:4915 Released 2021-12-02 · Red Hat rating Important
    mailman:2.1 security update
    • Red Hat Enterprise Linux AppStream EUS (v.8.4) mailman-3:2.1.29-11.module+el8.4.0+13467+746daedf.2.aarch64::mailman:2.1, mailman-3:2.1.29-11.module+el8.4.0+13467+746daedf.2.ppc64le::mailman:2.1, mailman-3:2.1.29-11.module+el8.4.0+13467+746daedf.2.s390x::mailman:2.1 +2
  • RHSA-2021:4916 Released 2021-12-02 · Red Hat rating Important
    mailman:2.1 security update
    • Red Hat Enterprise Linux AppStream (v. 8) mailman-3:2.1.29-12.module+el8.5.0+13466+327eb9f3.2.aarch64::mailman:2.1, mailman-3:2.1.29-12.module+el8.5.0+13466+327eb9f3.2.ppc64le::mailman:2.1, mailman-3:2.1.29-12.module+el8.5.0+13466+327eb9f3.2.s390x::mailman:2.1 +2

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2021:4916
Red Hat Enterprise Linux AppStream E4S (v. 8.1)Fixed RHSA-2021:5081
Red Hat Enterprise Linux AppStream EUS (v. 8.2)Fixed RHSA-2021:5080
Red Hat Enterprise Linux AppStream EUS (v.8.4)Fixed RHSA-2021:4915
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2021:4913
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2021:4913

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-44227
  2. 2026-10-03 Alias added: GHSA-xq58-69h2-765m

References

Patch 1

Advisory 2

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences