{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Sitecore XP 7.5 Initial Release to Sitecore XP 8.2 Update-7 is vulnerable to an insecure deserialization attack where it is possible to achieve remote command execution on the machine. No authentication or special configuration is required to exploit this vulnerability."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-11-16T17:06:15.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "http://sitecore.com"}, {"tags": ["x_refsource_MISC"], "url": "https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1000776"}, {"tags": ["x_refsource_MISC"], "url": "https://blog.assetnote.io/2021/11/02/sitecore-rce/"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/164988/Sitecore-Experience-Platform-XP-Remote-Code-Execution.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-42237", "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": "Sitecore XP 7.5 Initial Release to Sitecore XP 8.2 Update-7 is vulnerable to an insecure deserialization attack where it is possible to achieve remote command execution on the machine. No authentication or special configuration is required to exploit this vulnerability."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://sitecore.com", "refsource": "MISC", "url": "http://sitecore.com"}, {"name": "https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1000776", "refsource": "MISC", "url": "https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1000776"}, {"name": "https://blog.assetnote.io/2021/11/02/sitecore-rce/", "refsource": "MISC", "url": "https://blog.assetnote.io/2021/11/02/sitecore-rce/"}, {"name": "http://packetstormsecurity.com/files/164988/Sitecore-Experience-Platform-XP-Remote-Code-Execution.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/164988/Sitecore-Experience-Platform-XP-Remote-Code-Execution.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T03:30:37.679Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://sitecore.com"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1000776"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://blog.assetnote.io/2021/11/02/sitecore-rce/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/164988/Sitecore-Experience-Platform-XP-Remote-Code-Execution.html"}]}, {"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2021-42237", "role": "CISA Coordinator", "options": [{"Exploitation": "active"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-02-03T14:09:16.771279Z"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2022-03-25", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42237"}}}], "references": [{"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42237", "tags": ["government-resource"]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-502", "description": "CWE-502 Deserialization of Untrusted Data"}]}], "timeline": [{"time": "2022-03-25T00:00:00.000Z", "lang": "en", "value": "CVE-2021-42237 added to CISA KEV"}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-21T23:25:27.670Z"}}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-42237", "datePublished": "2021-11-05T09:51:18.000Z", "dateReserved": "2021-10-11T00:00:00.000Z", "dateUpdated": "2025-10-21T23:25:27.670Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "http://sitecore.com", "tags": ["x_refsource_MISC", "x_transferred"]}, {"url": "https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1000776", "tags": ["x_refsource_MISC", "x_transferred"]}, {"url": "https://blog.assetnote.io/2021/11/02/sitecore-rce/", "tags": ["x_refsource_MISC", "x_transferred"]}, {"url": "http://packetstormsecurity.com/files/164988/Sitecore-Experience-Platform-XP-Remote-Code-Execution.html", "tags": ["x_refsource_MISC", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T03:30:37.679Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2021-42237", "role": "CISA Coordinator", "options": [{"Exploitation": "active"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-02-03T14:09:16.771279Z"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2022-03-25", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42237"}}}], "timeline": [{"lang": "en", "time": "2022-03-25T00:00:00.000Z", "value": "CVE-2021-42237 added to CISA KEV"}], "references": [{"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42237", "tags": ["government-resource"]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-502", "description": "CWE-502 Deserialization of Untrusted Data"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-03T15:31:51.933Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "http://sitecore.com", "tags": ["x_refsource_MISC"]}, {"url": "https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1000776", "tags": ["x_refsource_MISC"]}, {"url": "https://blog.assetnote.io/2021/11/02/sitecore-rce/", "tags": ["x_refsource_MISC"]}, {"url": "http://packetstormsecurity.com/files/164988/Sitecore-Experience-Platform-XP-Remote-Code-Execution.html", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Sitecore XP 7.5 Initial Release to Sitecore XP 8.2 Update-7 is vulnerable to an insecure deserialization attack where it is possible to achieve remote command execution on the machine. No authentication or special configuration is required to exploit this vulnerability."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2021-11-16T17:06:15.000Z"}, "x_legacyV4Record": {"affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": "n/a"}]}, "product_name": "n/a"}]}, "vendor_name": "n/a"}]}}, "data_type": "CVE", "references": {"reference_data": [{"url": "http://sitecore.com", "name": "http://sitecore.com", "refsource": "MISC"}, {"url": "https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1000776", "name": "https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1000776", "refsource": "MISC"}, {"url": "https://blog.assetnote.io/2021/11/02/sitecore-rce/", "name": "https://blog.assetnote.io/2021/11/02/sitecore-rce/", "refsource": "MISC"}, {"url": "http://packetstormsecurity.com/files/164988/Sitecore-Experience-Platform-XP-Remote-Code-Execution.html", "name": "http://packetstormsecurity.com/files/164988/Sitecore-Experience-Platform-XP-Remote-Code-Execution.html", "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "Sitecore XP 7.5 Initial Release to Sitecore XP 8.2 Update-7 is vulnerable to an insecure deserialization attack where it is possible to achieve remote command execution on the machine. No authentication or special configuration is required to exploit this vulnerability."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-42237", "STATE": "PUBLIC", "ASSIGNER": "cve@mitre.org"}}}}, "cveMetadata": {"cveId": "CVE-2021-42237", "state": "PUBLISHED", "dateUpdated": "2025-10-21T23:25:27.670Z", "dateReserved": "2021-10-11T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2021-11-05T09:51:18.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.1"}

{"cisaActionDue": "2022-04-15", "cisaExploitAdd": "2022-03-25", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Sitecore XP Remote Command Execution Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:sitecore:experience_platform:7.5:-:*:*:*:*:*:*", "matchCriteriaId": "7DA5CB16-F850-41CC-9629-22A27A7D116B", "vulnerable": true}, {"criteria": "cpe:2.3:a:sitecore:experience_platform:7.5:update1:*:*:*:*:*:*", "matchCriteriaId": "ADC6C446-A985-465A-9FBE-5FCEE9C6CBD6", "vulnerable": true}, {"criteria": "cpe:2.3:a:sitecore:experience_platform:7.5:update2:*:*:*:*:*:*", "matchCriteriaId": "DB23F608-4B01-4D54-8A1E-E15BEE609FA2", "vulnerable": true}, {"criteria": "cpe:2.3:a:sitecore:experience_platform:8.0:-:*:*:*:*:*:*", "matchCriteriaId": "BE208FB9-A66E-4073-AD2F-DC56FDBDE127", "vulnerable": true}, {"criteria": "cpe:2.3:a:sitecore:experience_platform:8.0:sp1:*:*:*:*:*:*", "matchCriteriaId": "F6454C19-10B4-48C3-A263-9334E594164B", "vulnerable": true}, {"criteria": "cpe:2.3:a:sitecore:experience_platform:8.0:update1:*:*:*:*:*:*", "matchCriteriaId": "E192728C-7ED3-4A49-953E-E123160965F6", "vulnerable": true}, {"criteria": "cpe:2.3:a:sitecore:experience_platform:8.0:update2:*:*:*:*:*:*", "matchCriteriaId": "B59B52C9-788F-4F31-9426-001AEFAEB8F0", "vulnerable": true}, {"criteria": "cpe:2.3:a:sitecore:experience_platform:8.0:update3:*:*:*:*:*:*", "matchCriteriaId": "E4D47317-4E1F-4C2E-BD56-960BFD6947BD", "vulnerable": true}, {"criteria": "cpe:2.3:a:sitecore:experience_platform:8.0:update4:*:*:*:*:*:*", "matchCriteriaId": "D36C9AB3-B22F-4C47-B92D-03D95E3C8137", "vulnerable": true}, {"criteria": "cpe:2.3:a:sitecore:experience_platform:8.0:update5:*:*:*:*:*:*", "matchCriteriaId": "F2DC3A72-1BAE-44C6-877A-8AC4398425A8", "vulnerable": true}, {"criteria": "cpe:2.3:a:sitecore:experience_platform:8.0:update6:*:*:*:*:*:*", "matchCriteriaId": "FB53F79E-FA06-423C-B9BC-96AF052726B9", "vulnerable": true}, {"criteria": "cpe:2.3:a:sitecore:experience_platform:8.0:update7:*:*:*:*:*:*", "matchCriteriaId": "08DD78DD-3686-48C9-A896-CF1CFDD2FCBC", "vulnerable": true}, {"criteria": "cpe:2.3:a:sitecore:experience_platform:8.1:-:*:*:*:*:*:*", "matchCriteriaId": "C9362ED8-9012-4771-BED2-501921784E5F", "vulnerable": true}, {"criteria": "cpe:2.3:a:sitecore:experience_platform:8.1:update1:*:*:*:*:*:*", "matchCriteriaId": "47CB90D7-CC2C-4A5C-99DC-5C52A4A3E188", "vulnerable": true}, {"criteria": "cpe:2.3:a:sitecore:experience_platform:8.1:update2:*:*:*:*:*:*", "matchCriteriaId": "17E8CD1F-2D60-4E4A-BAA4-80165910058B", "vulnerable": true}, {"criteria": "cpe:2.3:a:sitecore:experience_platform:8.1:update3:*:*:*:*:*:*", "matchCriteriaId": "B2B4B37E-265B-40BB-ADD9-856F751322C6", "vulnerable": true}, {"criteria": "cpe:2.3:a:sitecore:experience_platform:8.2:-:*:*:*:*:*:*", "matchCriteriaId": "65E69221-68EE-4D8F-829B-12C96C197C0C", "vulnerable": true}, {"criteria": "cpe:2.3:a:sitecore:experience_platform:8.2:update1:*:*:*:*:*:*", "matchCriteriaId": "218E38E2-FBF3-4E75-8507-5BD425FA4F81", "vulnerable": true}, {"criteria": "cpe:2.3:a:sitecore:experience_platform:8.2:update2:*:*:*:*:*:*", "matchCriteriaId": "6C754113-6D8E-4B0D-872C-266088B27362", "vulnerable": true}, {"criteria": "cpe:2.3:a:sitecore:experience_platform:8.2:update3:*:*:*:*:*:*", "matchCriteriaId": "AA0A84E9-0B8D-4755-AF70-59207CEDCC08", "vulnerable": true}, {"criteria": "cpe:2.3:a:sitecore:experience_platform:8.2:update4:*:*:*:*:*:*", "matchCriteriaId": "2F73BF18-6D89-4663-AA37-56FC976A0EE8", "vulnerable": true}, {"criteria": "cpe:2.3:a:sitecore:experience_platform:8.2:update5:*:*:*:*:*:*", "matchCriteriaId": "D7CDCFB0-9C38-46CA-A2C3-6A18F4B9A224", "vulnerable": true}, {"criteria": "cpe:2.3:a:sitecore:experience_platform:8.2:update6:*:*:*:*:*:*", "matchCriteriaId": "496F293C-F7ED-411A-8498-9B93FDC350C1", "vulnerable": true}, {"criteria": "cpe:2.3:a:sitecore:experience_platform:8.2:update7:*:*:*:*:*:*", "matchCriteriaId": "402BC64F-A66E-426B-ACB9-F65AB857006B", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Sitecore XP 7.5 Initial Release to Sitecore XP 8.2 Update-7 is vulnerable to an insecure deserialization attack where it is possible to achieve remote command execution on the machine. No authentication or special configuration is required to exploit this vulnerability."}, {"lang": "es", "value": "Sitecore XP Versi\u00f3n Inicial 7.5 a Sitecore XP 8.2 Update-7, es vulnerable a un ataque de deserializaci\u00f3n no segura donde es posible lograr una ejecuci\u00f3n de comandos remotos en la m\u00e1quina. No es requerida ninguna autenticaci\u00f3n ni configuraci\u00f3n especial para explotar esta vulnerabilidad"}], "id": "CVE-2021-42237", "lastModified": "2025-11-10T14:43:39.200", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "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"}, {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2021-11-05T10:15:08.240", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/164988/Sitecore-Experience-Platform-XP-Remote-Code-Execution.html"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://sitecore.com"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://blog.assetnote.io/2021/11/02/sitecore-rce/"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1000776"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/164988/Sitecore-Experience-Platform-XP-Remote-Code-Execution.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://sitecore.com"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://blog.assetnote.io/2021/11/02/sitecore-rce/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1000776"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42237"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-502"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{}