CVE-2021-44227: debian debian_linux Cross-Site Request Forgery (CSRF)
CVSS: 8.8v3.1HighModified
AliasesGHSA-xq58-69h2-765mPYSEC-2026-660RHSA-2021:4915RHSA-2021:4916RHSA-2021:5080RHSA-2021:5081UBUNTU-CVE-2021-44227USN-5180-1
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.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
0.76%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3 · Related 2Timeline
- 02-12-2021PublishedVulnerability first disclosed.
- 04-08-2024Last 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 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSources4 sources · 8.0–8.8
- OSV · PypiEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · Red hatEcosystem advisory · calculated8.0HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
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 score0.76%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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
- debian_linuxEOL9.0
Gnu1 product
- mailman< 2.1.38
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- bugs.launchpad.net/mailman/+bug/1952384X Refsource MISCWEBIssue TrackingMailing ListPatchThird Party Advisory
- lists.debian.org/debian-lts-announce/2022/06/msg00011.htmlMailing ListX Refsource MLISTWEBThird Party Advisory
- gitlab.com/mailman/mailmanPACKAGE
- pypi.org/project/mailmanPACKAGE