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Vulnerability details: VCID-epav-z3qb-rbej
Vulnerability ID VCID-epav-z3qb-rbej
Aliases CVE-2021-44857
Summary mediawiki: information disclosure and manipulation possible under specific conditions
Status Published
Exploitability 0.5
Weighted Severity 5.9
Risk 3.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-269 Improper Privilege Management
CWE-862 Missing Authorization
System Score Found at
cvssv3 6.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-44857.json
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
epss 0.00141 https://api.first.org/data/v1/epss?cve=CVE-2021-44857
cvssv2 4.0 https://nvd.nist.gov/vuln/detail/CVE-2021-44857
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2021-44857
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
Exploit Prediction Scoring System (EPSS)
Percentile 0.34929
EPSS Score 0.00141
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T10:13:09.742146+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-44857.json 37.0.0