CVE-2020-12051 — HIGH (7.5)

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Mediawiki	Mediawiki	-

References

https://gerrit.wikimedia.org/r/#/q/I3c80641dc1202df7428714f0ca44717a51ff6021Vendor Advisory
https://phabricator.wikimedia.org/T250594PatchVendor Advisory
https://gerrit.wikimedia.org/r/#/q/I3c80641dc1202df7428714f0ca44717a51ff6021Vendor Advisory
https://phabricator.wikimedia.org/T250594PatchVendor Advisory

FAQ

What is CVE-2020-12051?

CVE-2020-12051 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 othe...

How severe is CVE-2020-12051?

CVE-2020-12051 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-12051?

Check the references section above for vendor advisories and patch information. Affected products include: Mediawiki Mediawiki.