CVE-2021-20837

{"containers": {"cna": {"affected": [{"product": "Movable Type", "vendor": "Six Apart Ltd.", "versions": [{"status": "affected", "version": "Movable Type 7 r.5002 and earlier (Movable Type 7 Series), Movable Type 6.8.2 and earlier (Movable Type 6 Series), Movable Type Advanced 7 r.5002 and earlier (Movable Type Advanced 7 Series), Movable Type Advanced 6.8.2 and earlier (Movable Type Advanced 6 Series), Movable Type Premium 1.46 and earlier, and Movable Type Premium Advanced 1.46 and earlier"}]}], "descriptions": [{"lang": "en", "value": "Movable Type 7 r.5002 and earlier (Movable Type 7 Series), Movable Type 6.8.2 and earlier (Movable Type 6 Series), Movable Type Advanced 7 r.5002 and earlier (Movable Type Advanced 7 Series), Movable Type Advanced 6.8.2 and earlier (Movable Type Advanced 6 Series), Movable Type Premium 1.46 and earlier, and Movable Type Premium Advanced 1.46 and earlier allow remote attackers to execute arbitrary OS commands via unspecified vectors. Note that all versions of Movable Type 4.0 or later including unsupported (End-of-Life, EOL) versions are also affected by this vulnerability."}], "problemTypes": [{"descriptions": [{"description": "OS Command Injection", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-11-09T19:06:17.000Z", "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://movabletype.org/news/2021/10/mt-782-683-released.html"}, {"tags": ["x_refsource_MISC"], "url": "https://jvn.jp/en/jp/JVN41119755/index.html"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/164705/Movable-Type-7-r.5002-XMLRPC-API-Remote-Command-Injection.html"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/164818/Movable-Type-7-r.5002-XMLRPC-API-Remote-Command-Injection.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vultures@jpcert.or.jp", "ID": "CVE-2021-20837", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Movable Type", "version": {"version_data": [{"version_value": "Movable Type 7 r.5002 and earlier (Movable Type 7 Series), Movable Type 6.8.2 and earlier (Movable Type 6 Series), Movable Type Advanced 7 r.5002 and earlier (Movable Type Advanced 7 Series), Movable Type Advanced 6.8.2 and earlier (Movable Type Advanced 6 Series), Movable Type Premium 1.46 and earlier, and Movable Type Premium Advanced 1.46 and earlier"}]}}]}, "vendor_name": "Six Apart Ltd."}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Movable Type 7 r.5002 and earlier (Movable Type 7 Series), Movable Type 6.8.2 and earlier (Movable Type 6 Series), Movable Type Advanced 7 r.5002 and earlier (Movable Type Advanced 7 Series), Movable Type Advanced 6.8.2 and earlier (Movable Type Advanced 6 Series), Movable Type Premium 1.46 and earlier, and Movable Type Premium Advanced 1.46 and earlier allow remote attackers to execute arbitrary OS commands via unspecified vectors. Note that all versions of Movable Type 4.0 or later including unsupported (End-of-Life, EOL) versions are also affected by this vulnerability."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "OS Command Injection"}]}]}, "references": {"reference_data": [{"name": "https://movabletype.org/news/2021/10/mt-782-683-released.html", "refsource": "MISC", "url": "https://movabletype.org/news/2021/10/mt-782-683-released.html"}, {"name": "https://jvn.jp/en/jp/JVN41119755/index.html", "refsource": "MISC", "url": "https://jvn.jp/en/jp/JVN41119755/index.html"}, {"name": "http://packetstormsecurity.com/files/164705/Movable-Type-7-r.5002-XMLRPC-API-Remote-Command-Injection.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/164705/Movable-Type-7-r.5002-XMLRPC-API-Remote-Command-Injection.html"}, {"name": "http://packetstormsecurity.com/files/164818/Movable-Type-7-r.5002-XMLRPC-API-Remote-Command-Injection.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/164818/Movable-Type-7-r.5002-XMLRPC-API-Remote-Command-Injection.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:53:22.821Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://movabletype.org/news/2021/10/mt-782-683-released.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://jvn.jp/en/jp/JVN41119755/index.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/164705/Movable-Type-7-r.5002-XMLRPC-API-Remote-Command-Injection.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/164818/Movable-Type-7-r.5002-XMLRPC-API-Remote-Command-Injection.html"}]}]}, "cveMetadata": {"assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "assignerShortName": "jpcert", "cveId": "CVE-2021-20837", "datePublished": "2021-10-26T05:15:12.000Z", "dateReserved": "2020-12-17T00:00:00.000Z", "dateUpdated": "2024-08-03T17:53:22.821Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Movable Type", "vendor": "Six Apart Ltd.", "versions": [{"status": "affected", "version": "Movable Type 7 r.5002 and earlier (Movable Type 7 Series), Movable Type 6.8.2 and earlier (Movable Type 6 Series), Movable Type Advanced 7 r.5002 and earlier (Movable Type Advanced 7 Series), Movable Type Advanced 6.8.2 and earlier (Movable Type Advanced 6 Series), Movable Type Premium 1.46 and earlier, and Movable Type Premium Advanced 1.46 and earlier"}]}], "source": "vultures@jpcert.or.jp"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:premium:*:*:*", "matchCriteriaId": "4E744FEB-0EDF-4F98-ADF2-6A8884847D9F", "versionEndIncluding": "1.46", "vulnerable": true}, {"criteria": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:premium_advanced:*:*:*", "matchCriteriaId": "557E42A3-E98C-448C-B549-BD0E77CC16AA", "versionEndIncluding": "1.46", "vulnerable": true}, {"criteria": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:*:*:*:*", "matchCriteriaId": "135405AA-B5A6-4AB8-929B-91521391F249", "versionEndIncluding": "6.3.11", "versionStartIncluding": "4.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:-:*:*:*", "matchCriteriaId": "D3DF90A1-482E-48AC-B8E0-C42849853C4C", "versionEndIncluding": "6.8.2", "versionStartIncluding": "6.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:advanced:*:*:*", "matchCriteriaId": "63BA2A68-FA2F-46FC-A875-C339B9580502", "versionEndIncluding": "6.8.2", "versionStartIncluding": "6.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:-:*:*:*", "matchCriteriaId": "41401B1F-F3D4-4C80-9B47-3429C6615218", "versionEndIncluding": "7.8.1", "versionStartIncluding": "7.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:advanced:*:*:*", "matchCriteriaId": "4853A3F7-6AC7-4634-8186-C1ED16DCE62C", "versionEndIncluding": "7.8.1", "versionStartIncluding": "7.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Movable Type 7 r.5002 and earlier (Movable Type 7 Series), Movable Type 6.8.2 and earlier (Movable Type 6 Series), Movable Type Advanced 7 r.5002 and earlier (Movable Type Advanced 7 Series), Movable Type Advanced 6.8.2 and earlier (Movable Type Advanced 6 Series), Movable Type Premium 1.46 and earlier, and Movable Type Premium Advanced 1.46 and earlier allow remote attackers to execute arbitrary OS commands via unspecified vectors. Note that all versions of Movable Type 4.0 or later including unsupported (End-of-Life, EOL) versions are also affected by this vulnerability."}, {"lang": "es", "value": "Movable Type 7 versiones r.5002 y anteriores (Movable Type 7 Series), Movable Type versiones 6.8.2 y anteriores (Movable Type 6 Series), Movable Type Advanced 7 versiones r.5002 y anteriores (Movable Type Advanced 7 Series), Movable Type Advanced versiones 6.8.2 y anteriores (Movable Type Advanced 6 Series), Movable Type Premium versiones 1.46 y anteriores, y Movable Type Premium Advanced versiones 1.46 y anteriores, permiten a atacantes remotos ejecutar comandos arbitrarios del sistema operativo por medio de vectores no especificados. Tenga en cuenta que todas las versiones de Movable Type vectores no especificados 4.0 o posteriores, incluidas las versiones sin soporte (End-of-Life, EOL), tambi\u00e9n est\u00e1n afectadas por esta vulnerabilidad"}], "id": "CVE-2021-20837", "lastModified": "2026-06-17T03:34:31.100", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-10-26T06:15:06.987", "references": [{"source": "vultures@jpcert.or.jp", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/164705/Movable-Type-7-r.5002-XMLRPC-API-Remote-Command-Injection.html"}, {"source": "vultures@jpcert.or.jp", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/164818/Movable-Type-7-r.5002-XMLRPC-API-Remote-Command-Injection.html"}, {"source": "vultures@jpcert.or.jp", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/jp/JVN41119755/index.html"}, {"source": "vultures@jpcert.or.jp", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://movabletype.org/news/2021/10/mt-782-683-released.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/164705/Movable-Type-7-r.5002-XMLRPC-API-Remote-Command-Injection.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/164818/Movable-Type-7-r.5002-XMLRPC-API-Remote-Command-Injection.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/jp/JVN41119755/index.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://movabletype.org/news/2021/10/mt-782-683-released.html"}], "sourceIdentifier": "vultures@jpcert.or.jp", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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