Medium severity · published Jan 20, 2023
CVE-2023-22912
An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1
5.3
CVSS
0.4%
EPSS
No
On KEV
Description
An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1. CheckUser TokenManager insecurely uses AES-CTR encryption with a repeated (aka re-used) nonce, allowing an adversary to decrypt.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
Mediawiki · Mediawiki
before 1.35.9; 1.36.0 before 1.38.5; 1.39.0; 1.39.0; 1.39.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-22912
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-22912
Exploit
https://phabricator.wikimedia.org/T315123
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