CVE-2021-36128

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

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://gerrit.wikimedia.org/r/q/I3e65690695313380c798b62edfda726b6e374f89	Patch Vendor Advisory
https://gerrit.wikimedia.org/r/q/I15d14c88a1e30df92c470bc191c4ee573172d4d1	Patch Vendor Advisory
https://phabricator.wikimedia.org/T281972	Exploit Issue Tracking Patch Vendor Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*

Information

Published : 2021-07-02 06:15

Updated : 2022-07-12 10:42

NVD link : CVE-2021-36128

Mitre link : CVE-2021-36128

JSON object : View

CWE

CWE-755

Improper Handling of Exceptional Conditions

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Products Affected

mediawiki

mediawiki

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