Vulnerabilities
By Date By Type Known Exploited Assigners CVSS Scores EPSS Scores Search
Vulnerable Software
Vendors Products Version Search
Metasploit Modules CWE Definitions
Articles Blog

Vulnerability Details : CVE-2021-31553

An issue was discovered in the CheckUser extension for MediaWiki through 1.35.2. MediaWiki usernames with trailing whitespace could be stored in the cu_log database table such that denial of service occurred for certain CheckUser extension pages and functionality. For example, the attacker could turn off Special:CheckUserLog and thus interfere with usage tracking.
Vulnerability category: Denial of service
Published 2021-04-22 03:15:08
Updated 2021-04-22 20:14:45
Source MITRE
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-31553

Probability of exploitation activity in the next 30 days: 0.18%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 55 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-31553

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
6.4
 MEDIUM AV:N/AC:L/Au:N/C:N/I:P/A:P
10.0
4.9
 [email protected]
6.5
 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
3.9
2.5
 [email protected]

CWE ids for CVE-2021-31553

References for CVE-2021-31553

Products affected by CVE-2021-31553

This web site uses cookies for managing your session and website analytics (Google analytics) purposes as described in our privacy policy.
By using this web site you are agreeing to CVEdetails.com terms of use!
Accept Close