Critical severity · published Jul 10, 2019
CVE-2019-12468
An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.27.0 through 1.32.1
9.8
CVSS
3.3%
EPSS
No
On KEV
Description
An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.27.0 through 1.32.1. Directly POSTing to Special:ChangeEmail would allow for bypassing re-authentication, allowing for potential account takeover.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.3% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
ME
Mediawiki · Mediawiki
1.27.0 through 1.32.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-12468
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-12468
Third Party Advisory
https://lists.wikimedia.org/pipermail/mediawiki-announce/
Patch
https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html
Patch
https://phabricator.wikimedia.org/T197279
Mailing List
https://seclists.org/bugtraq/2019/Jun/12
Third Party Advisory
https://www.debian.org/security/2019/dsa-4460
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