What is CVE-2021-44227?

CVE-2021-44227 is a high-severity vulnerability in Gnu Mailman, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2021-12-02.

How severe is CVE-2021-44227?

High severity. CVSS v3 base score is 8.8 out of 10.

CSRF in Gnu Mailman

CVE-2021-44227

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.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.007 (49.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Gnu Mailman
Debian Debian_linux — versions 9.0
N/a — versions n/a

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

cve@mitre.org (Patch, Mailing List, Third Party Advisory, x_refsource_MISC, Issue Tracking)
cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2021-44227?: CVE-2021-44227 is a high-severity vulnerability in Gnu Mailman, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2021-12-02.
How severe is CVE-2021-44227?: High severity. CVSS v3 base score is 8.8 out of 10.