CVE-2021-42096

CWE-307CWE-200 — Information Exposure8 documents6 sources
Severity
4.3MEDIUM
EPSS
0.3%
top 45.36%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
GNU MailmanDebian Debian Linux
Timeline
PublishedOct 21
Latest updateMay 24

Description

GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A certain csrf_token value is derived from the admin password, and may be useful in conducting a brute-force attack against that password.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages2 packages

▶NVDgnu/mailman< 2.1.35
▶Ubuntumailman< 1:2.1.26-1ubuntu0.4+2

Also affects: Debian Linux 10.0

Patches

Patch: www.openwall.com ↗Patch: bugs.launchpad.net ↗Patch: www.openwall.com ↗

🔴Vulnerability Details

4
GHSA
GHSA-c875-cgwj-4fjw: GNU Mailman before 2↗2022-05-24
▶
OSV
mailman vulnerabilities↗2021-10-22
▶
OSV
CVE-2021-42096: GNU Mailman before 2↗2021-10-21
▶
CVEList
CVE-2021-42096: GNU Mailman before 2↗2021-10-21
▶

📋Vendor Advisories

3
Ubuntu
Mailman vulnerabilities↗2021-11-01
▶
Ubuntu
Mailman vulnerabilities↗2021-10-22
▶
Red Hat
mailman: CSRF token derived from admin password allows offline brute-force attack↗2021-10-21
▶
CVE-2021-42096 (MEDIUM CVSS 4.3) | GNU Mailman before 2.1.35 may allow | cvebase.io