Vulnerability Details : CVE-2020-12051
The CentralAuth extension through REL1_34 for MediaWiki allows remote attackers to obtain sensitive hidden account information via an api.php?action=query&meta=globaluserinfo&guiuser= request. In other words, the information can be retrieved via the action API even though access would be denied when simply visiting wiki/Special:CentralAuth in a web browser.
Products affected by CVE-2020-12051
- cpe:2.3:a:mediawiki:mediawiki:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-12051
0.68%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 80 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-12051
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
References for CVE-2020-12051
-
https://gerrit.wikimedia.org/r/#/q/I3c80641dc1202df7428714f0ca44717a51ff6021
I3c80641dc1202df7428714f0ca44717a51ff6021 | gerrit.wikimedia Code ReviewVendor Advisory
-
https://phabricator.wikimedia.org/T250594
⚓ T250594 globaluserinfo api allows access to information about hidden usersPatch;Vendor Advisory
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