CVE-2021-31547
MediaWiki AbuseFilter API Information Leak Vulnerability
Description
An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. Its AbuseFilterCheckMatch API reveals suppressed edits and usernames to unprivileged users through the iteration of crafted AbuseFilter rules.
INFO
Published Date :
April 22, 2021, 3:15 a.m.
Last Modified :
July 12, 2022, 5:42 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
1.4
Exploitability Score :
2.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-31547.
| URL | Resource |
|---|---|
| https://gerrit.wikimedia.org/r/q/I3f7dbd8b873d411e37c8c3aac2339bf5ec36907d | Issue Tracking Third Party Advisory |
| https://gerrit.wikimedia.org/r/q/I4900b1be73323599d74e3164447f81eded094d75 | Issue Tracking Third Party Advisory |
| https://phabricator.wikimedia.org/T223654 | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-31547 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-31547 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Jul. 12, 2022
Action Type Old Value New Value Changed CWE CWE-668 CWE-200 -
Initial Analysis by [email protected]
Apr. 22, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Changed Reference Type https://gerrit.wikimedia.org/r/q/I3f7dbd8b873d411e37c8c3aac2339bf5ec36907d No Types Assigned https://gerrit.wikimedia.org/r/q/I3f7dbd8b873d411e37c8c3aac2339bf5ec36907d Issue Tracking, Third Party Advisory Changed Reference Type https://gerrit.wikimedia.org/r/q/I4900b1be73323599d74e3164447f81eded094d75 No Types Assigned https://gerrit.wikimedia.org/r/q/I4900b1be73323599d74e3164447f81eded094d75 Issue Tracking, Third Party Advisory Changed Reference Type https://phabricator.wikimedia.org/T223654 No Types Assigned https://phabricator.wikimedia.org/T223654 Third Party Advisory Added CWE NIST CWE-668 Added CPE Configuration OR *cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* versions up to (including) 1.35.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-31547 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-31547
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} -0.01%
score
0.24915
percentile