CVE-2021-23883 - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required High

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Complete

AV:L/AC:L/Au:N/C:N/I:N/A:C

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Mcafee	Endpoint Security

Configuration 1 [-]

cpe:2.3:a:mcafee:endpoint_security:*:*:*:*:*:windows:*:*

No data.

References

Link	Providers
https://kc.mcafee.com/corporate/index?page=content&id=SB10345

History

Tue, 17 Sep 2024 01:45:00 +0000

Type	Values Removed	Values Added
Title	Null Pointer Dereference vulnerability in McAfee Endpoint Security (ENS)	Null Pointer Dereference vulnerability in McAfee Endpoint Security (ENS)

MITRE

Status: PUBLISHED

Assigner: trellix

Published: 2021-02-10T09:25:13.493250Z

Updated: 2024-09-17T01:41:53.554Z

Reserved: 2021-01-12T00:00:00

Link: CVE-2021-23883

Vulnrichment

No data.

NVD

Status : Analyzed

Published: 2021-02-10T10:15:13.473

Modified: 2023-11-16T02:50:43.797

Link: CVE-2021-23883

Redhat

No data.

{"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", "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", "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": "2021-02-10T09:25:13.493250Z", "dateReserved": "2021-01-12T00:00:00", "dateUpdated": "2024-09-17T01:41:53.554Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"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. Esto var\u00eda seg\u00fan la m\u00e1quina y ten\u00eda protecci\u00f3n parcial anterior a esta actualizaci\u00f3n"}], "id": "CVE-2021-23883", "lastModified": "2023-11-16T02:50:43.797", "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": "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"}, {"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"}]}, "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"}], "sourceIdentifier": "trellixpsirt@trellix.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-476"}], "source": "trellixpsirt@trellix.com", "type": "Secondary"}]}