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ubuntucveUbuntu.comUB:CVE-2021-44858
HistoryDec 20, 2021 - 12:00 a.m.

CVE-2021-44858

2021-12-2000:00:00
ubuntu.com
ubuntu.com
10

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

0.002 Low

EPSS

Percentile

57.0%

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.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchmediawiki< anyUNKNOWN
ubuntu20.04noarchmediawiki< anyUNKNOWN

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

0.002 Low

EPSS

Percentile

57.0%