Vulnerability 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).
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Mailman | < 2.1.35 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2021/10/21/4Mailing ListPatchThird Party Advisory
- https://bugs.launchpad.net/mailman/+bug/1947640PatchThird Party Advisory
- https://mail.python.org/archives/list/mailman-announce%40python.org/thread/IKCO6
- https://www.debian.org/security/2021/dsa-4991Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/10/21/4Mailing ListPatchThird Party Advisory
- https://bugs.launchpad.net/mailman/+bug/1947640PatchThird Party Advisory
- https://mail.python.org/archives/list/mailman-announce%40python.org/thread/IKCO6
- https://www.debian.org/security/2021/dsa-4991Third Party Advisory
FAQ
What is CVE-2021-42097?
CVE-2021-42097 is a vulnerability with a CVSS score of 8.0 (HIGH). 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 ...
How severe is CVE-2021-42097?
CVE-2021-42097 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-42097?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Mailman, Debian Debian Linux.