CVEvulnerability
CVE-2021-42097
8.0 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-10-21
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.0 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 8.5 HIGH — AV:N/AC:M/Au:S/C:C/I:C/A:C
- Weaknesses
- CWE-352
Description
GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A csrf_token value is not specific to a single user account. An attacker can obtain a value within the context of an unprivileged user account, and then use that value in a CSRF attack against an admin (e.g., for account takeover).
Affected configurations
• gnu mailman (< 2.1.35)
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-352 Cross-Site Request Forgery weakness
References
- http://www.openwall.com/lists/oss-security/2021/10/21/4 Mailing List, Patch, Third Party Advisory
- https://bugs.launchpad.net/mailman/+bug/1947640 Patch, Third Party Advisory
- https://mail.python.org/archives/list/mailman-announce%40python.org/thread/IKCO6JU755AP5G5TKMBJL6IEZQTTNPDQ/ mail.python.org
- https://www.debian.org/security/2021/dsa-4991 Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/10/21/4 Mailing List, Patch, Third Party Advisory
- https://bugs.launchpad.net/mailman/+bug/1947640 Patch, Third Party Advisory
- https://mail.python.org/archives/list/mailman-announce%40python.org/thread/IKCO6JU755AP5G5TKMBJL6IEZQTTNPDQ/ mail.python.org
- https://www.debian.org/security/2021/dsa-4991 Third Party Advisory