Vulnerability Details : CVE-2021-31546
An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. It incorrectly logged sensitive suppression deletions, which should not have been visible to users with access to view AbuseFilter log data.
Exploit prediction scoring system (EPSS) score for CVE-2021-31546
Probability of exploitation activity in the next 30 days: 0.05%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 17 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-31546
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
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-2021-31546
-
Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-31546
-
https://gerrit.wikimedia.org/r/q/I38a0a24fa32ca7a052b6940864a32b3856e84553
I38a0a24fa32ca7a052b6940864a32b3856e84553 · Gerrit Code ReviewIssue Tracking;Third Party Advisory
-
https://phabricator.wikimedia.org/T71617
⚓ T71617 AbuseFilter logs suppression deletionsThird Party Advisory
Products affected by CVE-2021-31546
- cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*