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Vulnerability details: VCID-ydzn-t292-aaad
Vulnerability ID VCID-ydzn-t292-aaad
Aliases CVE-2021-44858
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-276 Incorrect Default Permissions
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-44858.json
epss 0.00242 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00242 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00242 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00242 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00242 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00242 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00242 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00242 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00242 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00242 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00242 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00242 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00242 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00242 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00242 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00242 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00242 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00257 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00274 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00274 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00274 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00274 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00274 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00274 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00274 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00274 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00274 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00274 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00274 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00274 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00274 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00274 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00274 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00274 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00274 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00274 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00274 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00274 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00336 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00336 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00336 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00336 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00336 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00336 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00336 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00336 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00336 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00336 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00336 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00336 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00336 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00336 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00336 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00336 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
epss 0.00696 https://api.first.org/data/v1/epss?cve=CVE-2021-44858
rhbs high https://bugzilla.redhat.com/show_bug.cgi?id=2036698
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2021-44858
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2021-44858
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2021-44858
cvssv3.1 7.7 https://security.gentoo.org/glsa/202305-24
generic_textual HIGH https://security.gentoo.org/glsa/202305-24
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-44858.json
https://api.first.org/data/v1/epss?cve=CVE-2021-44858
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44857
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44858
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45038
https://phabricator.wikimedia.org/T297322
https://security.gentoo.org/glsa/202305-24
https://www.mediawiki.org/wiki/2021-12_security_release/FAQ
2036698 https://bugzilla.redhat.com/show_bug.cgi?id=2036698
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
CVE-2021-44858 https://nvd.nist.gov/vuln/detail/CVE-2021-44858
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-44858.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-44858
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-44858
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-44858
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N Found at https://security.gentoo.org/glsa/202305-24
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.47581
EPSS Score 0.00242
Published At May 10, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.