Vulnerability CVE-2021-36128
Published: 2021-07-02

Description:
An issue was discovered in the CentralAuth extension in MediaWiki through 1.36. Autoblocks for CentralAuth-issued suppression blocks are not properly implemented.

Type:

CWE-287

 (Improper Authentication)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Mediawiki -> Mediawiki 

 References:
https://gerrit.wikimedia.org/r/q/I3e65690695313380c798b62edfda726b6e374f89
https://gerrit.wikimedia.org/r/q/I15d14c88a1e30df92c470bc191c4ee573172d4d1
https://phabricator.wikimedia.org/T281972
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