{"api_version":"1","generated_at":"2026-04-23T00:40:50+00:00","cve":"CVE-2021-30158","urls":{"html":"https://cve.report/CVE-2021-30158","api":"https://cve.report/api/cve/CVE-2021-30158.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-30158","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-30158"},"summary":{"title":"CVE-2021-30158","description":"An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Blocked users are unable to use Special:ResetTokens. This has security relevance because a blocked user might have accidentally shared a token, or might know that a token has been compromised, and yet is not able to block any potential future use of the token by an unauthorized party.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2021-04-06 07:15:00","updated_at":"2023-11-07 03:32:00"},"problem_types":["CWE-287"],"metrics":[],"references":[{"url":"https://lists.debian.org/debian-lts-announce/2021/05/msg00003.html","name":"[debian-lts-announce] 20210505 [SECURITY] [DLA 2648-1] mediawiki security update","refsource":"MLIST","tags":[],"title":"[SECURITY] [DLA 2648-1] mediawiki security update","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/26UJGHF7LJDOCQN6A3Z4PM7PYRKENJHE/","name":"FEDORA-2021-f4223b6684","refsource":"","tags":[],"title":"[SECURITY] Fedora 33 Update: mediawiki-1.35.2-1.fc33 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.debian.org/debian-lts-announce/2021/05/msg00006.html","name":"[debian-lts-announce] 20210506 [SECURITY] [DLA 2648-2] mediawiki regression update","refsource":"MLIST","tags":[],"title":"[SECURITY] [DLA 2648-2] mediawiki regression update","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2OMSV7B2TCFBOCICN3B4SMQP5HVRJQIT/","name":"FEDORA-2021-d298103d3a","refsource":"","tags":[],"title":"[SECURITY] Fedora 34 Update: mediawiki-1.35.2-1.fc34 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://phabricator.wikimedia.org/T277009","name":"https://phabricator.wikimedia.org/T277009","refsource":"MISC","tags":[],"title":"⚓ T277009 Allow blocked users to access Special:ResetTokens","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/26UJGHF7LJDOCQN6A3Z4PM7PYRKENJHE/","name":"FEDORA-2021-f4223b6684","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 33 Update: mediawiki-1.35.2-1.fc33 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://security.gentoo.org/glsa/202107-40","name":"GLSA-202107-40","refsource":"GENTOO","tags":[],"title":"MediaWiki: Multiple vulnerabilities (GLSA 202107-40) — Gentoo security","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.debian.org/security/2021/dsa-4889","name":"DSA-4889","refsource":"DEBIAN","tags":[],"title":"Debian -- Security Information -- DSA-4889-1 mediawiki","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2OMSV7B2TCFBOCICN3B4SMQP5HVRJQIT/","name":"FEDORA-2021-d298103d3a","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 34 Update: mediawiki-1.35.2-1.fc34 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-30158","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-30158","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"30158","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"10.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"30158","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"9.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"30158","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"33","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"30158","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"34","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"30158","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mediawiki","cpe5":"mediawiki","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2021-30158","qid":"178531","title":"Debian Security Update for mediawiki (DSA 4889-1)"},{"cve":"CVE-2021-30158","qid":"178584","title":"Debian Security Update for mediawiki (DLA 2648-2)"},{"cve":"CVE-2021-30158","qid":"178613","title":"Debian Security Update for mediawiki (DLA 2648-1)"},{"cve":"CVE-2021-30158","qid":"179915","title":"Debian Security Update for mediawiki (CVE-2021-30158)"},{"cve":"CVE-2021-30158","qid":"281316","title":"Fedora Security Update for mediawiki (FEDORA-2021-f4223b6684)"},{"cve":"CVE-2021-30158","qid":"281317","title":"Fedora Security Update for mediawiki (FEDORA-2021-d298103d3a)"},{"cve":"CVE-2021-30158","qid":"710029","title":"Gentoo Linux MediaWiki Multiple vulnerabilities (GLSA 202107-40)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2021-30158","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Blocked users are unable to use Special:ResetTokens. This has security relevance because a blocked user might have accidentally shared a token, or might know that a token has been compromised, and yet is not able to block any potential future use of the token by an unauthorized party."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://phabricator.wikimedia.org/T277009","refsource":"MISC","name":"https://phabricator.wikimedia.org/T277009"},{"refsource":"DEBIAN","name":"DSA-4889","url":"https://www.debian.org/security/2021/dsa-4889"},{"refsource":"FEDORA","name":"FEDORA-2021-f4223b6684","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/26UJGHF7LJDOCQN6A3Z4PM7PYRKENJHE/"},{"refsource":"FEDORA","name":"FEDORA-2021-d298103d3a","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2OMSV7B2TCFBOCICN3B4SMQP5HVRJQIT/"},{"refsource":"MLIST","name":"[debian-lts-announce] 20210505 [SECURITY] [DLA 2648-1] mediawiki security update","url":"https://lists.debian.org/debian-lts-announce/2021/05/msg00003.html"},{"refsource":"MLIST","name":"[debian-lts-announce] 20210506 [SECURITY] [DLA 2648-2] mediawiki regression update","url":"https://lists.debian.org/debian-lts-announce/2021/05/msg00006.html"},{"refsource":"GENTOO","name":"GLSA-202107-40","url":"https://security.gentoo.org/glsa/202107-40"}]}},"nvd":{"publishedDate":"2021-04-06 07:15:00","lastModifiedDate":"2023-11-07 03:32:00","problem_types":["CWE-287"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"},"exploitabilityScore":3.9,"impactScore":1.4},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:N","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":5},"severity":"MEDIUM","exploitabilityScore":10,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*","versionStartIncluding":"1.32.0","versionEndExcluding":"1.35.2","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*","versionEndExcluding":"1.31.12","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"30158","Ordinal":"205390","Title":"CVE-2021-30158","CVE":"CVE-2021-30158","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"30158","Ordinal":"1","NoteData":"An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Blocked users are unable to use Special:ResetTokens. This has security relevance because a blocked user might have accidentally shared a token, or might know that a token has been compromised, and yet is not able to block any potential future use of the token by an unauthorized party.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"30158","Ordinal":"2","NoteData":"2021-04-06","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"30158","Ordinal":"3","NoteData":"2021-07-17","Type":"Other","Title":"Modified"}]}}}