Search for vulnerabilities
Vulnerability details: VCID-zbqw-eg13-aaam
Vulnerability ID VCID-zbqw-eg13-aaam
Aliases CVE-2021-44857
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=mcrundo followed by action=mcrrestore to replace the content of any arbitrary page (that the user doesn't have edit rights for). This applies to any public wiki, or a private wiki that has at least one page set in $wgWhitelistRead.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-862 Missing Authorization
CWE-269 Improper Privilege Management
System Score Found at
cvssv3 6.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-44857.json
epss 0.00063 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00063 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00063 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00063 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00267 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=2036702
cvssv2 4.0 https://nvd.nist.gov/vuln/detail/CVE-2021-44857
cvssv3 6.5 https://nvd.nist.gov/vuln/detail/CVE-2021-44857
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2021-44857
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-2021-44857.json
https://api.first.org/data/v1/epss?cve=CVE-2021-44857
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
2036702 https://bugzilla.redhat.com/show_bug.cgi?id=2036702
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-2021-44857 https://nvd.nist.gov/vuln/detail/CVE-2021-44857
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-44857.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:S/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-44857
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:L/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-44857
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:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-44857
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 0.29036
EPSS Score 0.00063
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.