CVE-2021-23883

{"containers": {"cna": {"affected": [{"product": "Endpoint Security (ENS) for Windows", "vendor": "McAfee LLC", "versions": [{"lessThan": "10.7.0 February 2021", "status": "affected", "version": "10.7.x", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Alain R\u00f6del from cirosec GmbH"}], "datePublic": "2021-02-10T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "A Null Pointer Dereference vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2021 Update allows a local administrator to cause Windows to crash via a specific system call which is not handled correctly. This varies by machine and had partial protection prior to this update."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-02-10T09:25:13.000Z", "orgId": "01626437-bf8f-4d1c-912a-893b5eb04808", "shortName": "trellix"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10345"}], "source": {"discovery": "INTERNAL"}, "title": "Null Pointer Dereference vulnerability in McAfee Endpoint Security (ENS)", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@mcafee.com", "DATE_PUBLIC": "2021-02-10T00:00:00.000Z", "ID": "CVE-2021-23883", "STATE": "PUBLIC", "TITLE": "Null Pointer Dereference vulnerability in McAfee Endpoint Security (ENS)"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Endpoint Security (ENS) for Windows", "version": {"version_data": [{"version_affected": "<", "version_name": "10.7.x", "version_value": "10.7.0 February 2021"}]}}]}, "vendor_name": "McAfee LLC"}]}}, "credit": [{"lang": "eng", "value": "Alain R\u00f6del from cirosec GmbH"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A Null Pointer Dereference vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2021 Update allows a local administrator to cause Windows to crash via a specific system call which is not handled correctly. This varies by machine and had partial protection prior to this update."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-476 NULL Pointer Dereference"}]}]}, "references": {"reference_data": [{"name": "https://kc.mcafee.com/corporate/index?page=content&id=SB10345", "refsource": "CONFIRM", "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10345"}]}, "source": {"discovery": "INTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T19:14:09.379Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10345"}]}]}, "cveMetadata": {"assignerOrgId": "01626437-bf8f-4d1c-912a-893b5eb04808", "assignerShortName": "trellix", "cveId": "CVE-2021-23883", "datePublished": "2021-02-10T09:25:13.493Z", "dateReserved": "2021-01-12T00:00:00.000Z", "dateUpdated": "2024-09-17T01:41:53.554Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "Endpoint Security (ENS) for Windows", "vendor": "McAfee LLC", "versions": [{"lessThan": "10.7.0 February 2021", "status": "affected", "version": "10.7.x", "versionType": "custom"}]}], "source": "trellixpsirt@trellix.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mcafee:endpoint_security:*:*:*:*:*:windows:*:*", "matchCriteriaId": "CA4CEE25-A297-4D69-8CF8-5425875B206A", "versionEndExcluding": "10.7.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A Null Pointer Dereference vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2021 Update allows a local administrator to cause Windows to crash via a specific system call which is not handled correctly. This varies by machine and had partial protection prior to this update."}, {"lang": "es", "value": "Una vulnerabilidad de Desreferencia del Puntero Null en McAfee Endpoint Security (ENS) para Windows versiones anteriores a actualizaci\u00f3n 10.7.0 de Febrero de 2021, permite a un administrador local causar a Windows bloquearse por medio de una llamada espec\u00edfica al sistema que no es manejada correctamente.&#xa0;Esto var\u00eda seg\u00fan la m\u00e1quina y ten\u00eda protecci\u00f3n parcial anterior a esta actualizaci\u00f3n"}], "id": "CVE-2021-23883", "lastModified": "2026-06-17T03:38:58.723", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.9, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 0.3, "impactScore": 3.6, "source": "trellixpsirt@trellix.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-02-10T10:15:13.473", "references": [{"source": "trellixpsirt@trellix.com", "tags": ["Broken Link"], "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10345"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10345"}], "sourceIdentifier": "trellixpsirt@trellix.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "trellixpsirt@trellix.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}