Vulnerability Details : CVE-2021-42096
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.
Vulnerability category: Gain privilege
Products affected by CVE-2021-42096
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:mailman:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-42096
0.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 52 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-42096
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:N |
8.0
|
2.9
|
NIST | |
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
2.8
|
1.4
|
NIST |
CWE ids for CVE-2021-42096
-
The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-42096
-
https://www.debian.org/security/2021/dsa-4991
Debian -- Security Information -- DSA-4991-1 mailmanThird Party Advisory
-
http://www.openwall.com/lists/oss-security/2021/10/21/4
oss-security - Mailman 2.1.35 security releaseMailing List;Patch;Third Party Advisory
-
https://bugs.launchpad.net/mailman/+bug/1947639
Bug #1947639 “Potential Privilege escalation via the user option...” : Bugs : GNU MailmanPatch;Third Party Advisory
-
https://mail.python.org/archives/list/mailman-announce@python.org/thread/IKCO6JU755AP5G5TKMBJL6IEZQTTNPDQ/
Mailman 3 Mailman 2.1 security release - Mailman-announce - python.orgPatch;Third Party Advisory
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