CVE-2023-22912

Severity Score

5.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

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.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

Poc

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-01-10 CVE Reserved
2023-01-20 CVE Published
2025-03-30 EPSS Updated
2025-04-03 CVE Updated
2025-04-03 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-330: Use of Insufficiently Random Values

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://phabricator.wikimedia.org/T315123	2025-04-03

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				< 1.35.9 Search vendor "Mediawiki" for product "Mediawiki" and version " < 1.35.9"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				>= 1.36.0 < 1.38.5 Search vendor "Mediawiki" for product "Mediawiki" and version " >= 1.36.0 < 1.38.5"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.39.0 Search vendor "Mediawiki" for product "Mediawiki" and version "1.39.0"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.39.0 Search vendor "Mediawiki" for product "Mediawiki" and version "1.39.0"		rc0		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				1.39.0 Search vendor "Mediawiki" for product "Mediawiki" and version "1.39.0"		rc1		Affected