Vulnerability Details : CVE-2016-6337
MediaWiki 1.27.x before 1.27.1 might allow remote attackers to bypass intended session access restrictions by leveraging a call to the UserGetRights function after Session::getAllowedUserRights.
Vulnerability category: BypassGain privilege
Exploit prediction scoring system (EPSS) score for CVE-2016-6337
Probability of exploitation activity in the next 30 days: 0.16%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 52 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2016-6337
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST |
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2016-6337
-
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-6337
-
https://phabricator.wikimedia.org/T139670
⚓ T139670 Central auth global groups don't take session rights limit into accountPatch;Third Party Advisory
-
https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.html
[MediaWiki-announce] Security Release - 1.27.1, 1.26.4, 1.23.15Mailing List;Patch;Vendor Advisory
Products affected by CVE-2016-6337
- cpe:2.3:a:mediawiki:mediawiki:1.27.0:*:*:*:*:*:*:*