8.8

CVE-2021-44227: debian debian_linux Cross-Site Request Forgery (CSRF)

CVSS: 8.8v3.1HighModified
AliasesGHSA-xq58-69h2-765mPYSEC-2026-660RHSA-2021:4915
Published 02-12-2021Last modified 04-08-2024

Vulnerability summary

CVE-2021-44227 is a high (CVSS 8.8) Cross-Site Request Forgery (CSRF) vulnerability in debian debian_linux. EPSS estimates a 0.76% chance of exploitation in the next 30 days, higher than 54.3% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
0.76%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 2

Timeline

  1. 02-12-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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 metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.76%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

+0.02 pp

From 0.73% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.76%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat3 products
  • mailman< 3:2.1.29-11.module+el8.4.0+13467+746daedf.2 | < 3:2.1.29-12.module+el8.5.0+13466+327eb9f3.2 | < 3:2.1.29-6.module+el8.2.0+13543+86b2c701 | < 3:2.1.29-5.module+el8.1.0+13542+e9b93c88
  • mailman-debuginfo< 3:2.1.29-11.module+el8.4.0+13467+746daedf.2 | < 3:2.1.29-12.module+el8.5.0+13466+327eb9f3.2 | < 3:2.1.29-6.module+el8.2.0+13543+86b2c701 | < 3:2.1.29-5.module+el8.1.0+13542+e9b93c88
  • mailman-debugsource< 3:2.1.29-11.module+el8.4.0+13467+746daedf.2 | < 3:2.1.29-12.module+el8.5.0+13466+327eb9f3.2 | < 3:2.1.29-6.module+el8.2.0+13543+86b2c701 | < 3:2.1.29-5.module+el8.1.0+13542+e9b93c88
Debian1 product
Gnu1 product
PyPI1 product
  • mailman< 2.1.38
Ubuntu1 product
  • mailman< 1:2.1.20-1ubuntu0.6+esm3 | < 1:2.1.29-1ubuntu3.1+esm2 | < 1:2.1.26-1ubuntu0.6

5 vendors · 7 products

References

21 links
Show all 21 references