CVE-2021-44858

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. It is possible to use action=edit&undo= followed by action=mcrundo and action=mcrrestore to view private pages on a private wiki that has at least one page set in $wgWhitelistRead.

Se ha detectado un problema en MediaWiki versiones anteriores a 1.35.5, 1.36.x versiones anteriores a 1.36.3 y 1.37.x versiones anteriores a 1.37.1. Es posible usar action=edit&undo= seguido de action=mcrundo y action=mcrrestore para visualizar páginas privadas en un wiki privado que presenta al menos una página establecida en $wgWhitelistRead

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-12-13 CVE Reserved
2021-12-20 CVE Published
2024-08-04 CVE Updated
2024-09-04 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-276: Incorrect Default Permissions

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://phabricator.wikimedia.org/T297322	2023-05-21

URL	Date	SRC
https://security.gentoo.org/glsa/202305-24	2023-05-21
https://www.mediawiki.org/wiki/2021-12_security_release/FAQ	2023-05-21

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"				< 1.35.5 Search vendor "Mediawiki" for product "Mediawiki" and version " < 1.35.5"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				>= 1.36.0 < 1.36.3 Search vendor "Mediawiki" for product "Mediawiki" and version " >= 1.36.0 < 1.36.3"		-		Affected
Mediawiki Search vendor "Mediawiki"		Mediawiki Search vendor "Mediawiki" for product "Mediawiki"				>= 1.37.0 < 1.37.1 Search vendor "Mediawiki" for product "Mediawiki" and version " >= 1.37.0 < 1.37.1"		-		Affected