CVE-2021-23893 - Vulnerability Details - OpenCVE

Description

Privilege Escalation vulnerability in a Windows system driver of McAfee Drive Encryption (DE) prior to 7.3.0 could allow a local non-admin user to gain elevated system privileges via exploiting an unutilized memory buffer.

Published: 2021-10-01

Score: 8.8 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

McAfee,LLC

McAfee Drive Encryption (MDE)

affected

Version	Status	Constraints
`unspecified`	affected	< 7.3.0 HF1

Configuration 1 [-]

OR	cpe:2.3:a:mcafee:drive_encryption::::::::
	cpe:2.3:a:mcafee:drive_encryption:7.3.0:-::::::

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-10819	Privilege Escalation vulnerability in a Windows system driver of McAfee Drive Encryption (DE) prior to 7.3.0 could allow a local non-admin user to gain elevated system privileges via exploiting an unutilized memory buffer.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00026.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://kc.mcafee.com/corporate/index?page=content&id=SB10361

History

No history.

Subscriptions

Mcafee Drive Encryption

MITRE

Status: PUBLISHED

Assigner: trellix

Published: 2021-10-01T09:25:11.000Z

Updated: 2024-08-03T19:14:09.452Z

Reserved: 2021-01-12T00:00:00.000Z

Link: CVE-2021-23893

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-10-01T10:15:07.413

Modified: 2024-11-21T05:52:01.110

Link: CVE-2021-23893

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-269

{"containers": {"cna": {"affected": [{"product": "McAfee Drive Encryption (MDE)", "vendor": "McAfee,LLC", "versions": [{"lessThan": "7.3.0 HF1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Balazs Bucsay (@xoreipeip), Principal Security Consultant from NCC Group"}], "descriptions": [{"lang": "en", "value": "Privilege Escalation vulnerability in a Windows system driver of McAfee Drive Encryption (DE) prior to 7.3.0 could allow a local non-admin user to gain elevated system privileges via exploiting an unutilized memory buffer."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-269", "description": "CWE-269: Improper Privilege Management", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-10-01T09:25:11.000Z", "orgId": "01626437-bf8f-4d1c-912a-893b5eb04808", "shortName": "trellix"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10361"}], "source": {"discovery": "EXTERNAL"}, "title": "Privilege Escalation vulnerability in McAfee Drive Encryption (MDE)", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@mcafee.com", "ID": "CVE-2021-23893", "STATE": "PUBLIC", "TITLE": "Privilege Escalation vulnerability in McAfee Drive Encryption (MDE)"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "McAfee Drive Encryption (MDE)", "version": {"version_data": [{"version_affected": "<", "version_value": "7.3.0 HF1"}]}}]}, "vendor_name": "McAfee,LLC"}]}}, "credit": [{"lang": "eng", "value": "Balazs Bucsay (@xoreipeip), Principal Security Consultant from NCC Group"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Privilege Escalation vulnerability in a Windows system driver of McAfee Drive Encryption (DE) prior to 7.3.0 could allow a local non-admin user to gain elevated system privileges via exploiting an unutilized memory buffer."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-269: Improper Privilege Management"}]}]}, "references": {"reference_data": [{"name": "https://kc.mcafee.com/corporate/index?page=content&id=SB10361", "refsource": "CONFIRM", "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10361"}]}, "source": {"discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T19:14:09.452Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10361"}]}]}, "cveMetadata": {"assignerOrgId": "01626437-bf8f-4d1c-912a-893b5eb04808", "assignerShortName": "trellix", "cveId": "CVE-2021-23893", "datePublished": "2021-10-01T09:25:11.000Z", "dateReserved": "2021-01-12T00:00:00.000Z", "dateUpdated": "2024-08-03T19:14:09.452Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mcafee:drive_encryption:*:*:*:*:*:*:*:*", "matchCriteriaId": "05A298BB-C6CE-42A0-983B-6396461F1193", "versionEndExcluding": "7.3.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mcafee:drive_encryption:7.3.0:-:*:*:*:*:*:*", "matchCriteriaId": "2E722684-441D-4AE1-9548-AC50943AFB48", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Privilege Escalation vulnerability in a Windows system driver of McAfee Drive Encryption (DE) prior to 7.3.0 could allow a local non-admin user to gain elevated system privileges via exploiting an unutilized memory buffer."}, {"lang": "es", "value": "Una vulnerabilidad de escalada de privilegios en un controlador de sistema de Windows de McAfee Drive Encryption (DE) versiones anteriores a 7.3.0, podr\u00eda permitir a un usuario local no administrador alcanzar privilegios elevados del sistema por medio de una explotaci\u00f3n de un b\u00fafer de memoria no utilizado"}], "id": "CVE-2021-23893", "lastModified": "2024-11-21T05:52:01.110", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.0, "impactScore": 6.0, "source": "trellixpsirt@trellix.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-10-01T10:15:07.413", "references": [{"source": "trellixpsirt@trellix.com", "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10361"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10361"}], "sourceIdentifier": "trellixpsirt@trellix.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}], "source": "trellixpsirt@trellix.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-269"}], "source": "nvd@nist.gov", "type": "Primary"}]}