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CVE-2019-12472

Date: July 10, 2019

An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.18.0 through 1.32.1. It is possible to bypass the limits on IP range blocks ($wgBlockCIDRLimit) by using the API. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.

Language: PHP

Severity Score

Related Resources (7)

https://github.com/wikimedia/mediawiki
https://nvd.nist.gov/vuln/detail/CVE-2019-12472
https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html
https://phabricator.wikimedia.org/T199540
https://security-tracker.debian.org/tracker/CVE-2019-12472
https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2019-12472.yaml
https://www.mend.io/vulnerability-database/CVE-2019-12472

Severity Score

Weakness Type (CWE)

Improper Access Control

CWE-284

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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