CVE-2021-33739

Microsoft DWM Core Library Elevation of Privilege Vulnerability

CVSS v3 8.4 HIGH
CVSS v2.0 4.6 MEDIUM

8.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.5 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33739	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:microsoft:windows_10_1909::::::::
	cpe:2.3:o:microsoft:windows_10_2004::::::::
	cpe:2.3:o:microsoft:windows_10_20h2::::::::
	cpe:2.3:o:microsoft:windows_10_21h1::::::::
	cpe:2.3:o:microsoft:windows_server_2004::::::::
	cpe:2.3:o:microsoft:windows_server_20h2::::::::

History

29 Jul 2024, 17:32

Type	Values Removed	Values Added
CPE	cpe:2.3:o:microsoft:windows_server_2016:2004:::::::* cpe:2.3:o:microsoft:windows_server_2016:20h2:::::::* cpe:2.3:o:microsoft:windows_10:1909:::::::* cpe:2.3:o:microsoft:windows_10:21h1:::::::* cpe:2.3:o:microsoft:windows_10:2004:::::::* cpe:2.3:o:microsoft:windows_10:20h2:::::::*	cpe:2.3:o:microsoft:windows_10_20h2:::::::: cpe:2.3:o:microsoft:windows_server_2004:::::::: cpe:2.3:o:microsoft:windows_10_1909:::::::: cpe:2.3:o:microsoft:windows_10_2004:::::::: cpe:2.3:o:microsoft:windows_server_20h2:::::::: cpe:2.3:o:microsoft:windows_10_21h1::::::::
First Time		Microsoft windows Server 2004 Microsoft windows 10 21h1 Microsoft windows Server 20h2 Microsoft windows 10 20h2 Microsoft windows 10 1909 Microsoft windows 10 2004

Information

Published : 2021-06-08 23:15

Updated : 2024-07-29 17:32

NVD link : CVE-2021-33739

Mitre link : CVE-2021-33739

CVE.ORG link : CVE-2021-33739

JSON object : View

Products Affected

microsoft

windows_10_20h2
windows_10_1909
windows_10_21h1
windows_server_2004
windows_server_20h2
windows_10_2004

CWE

NVD-CWE-noinfo

{"id": "CVE-2021-33739", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "secure@microsoft.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.4, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/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"}, "impactScore": 5.9, "exploitabilityScore": 2.5}, {"type": "Secondary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2021-06-08T23:15:09.493", "references": [{"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33739", "tags": ["Patch", "Vendor Advisory"], "source": "secure@microsoft.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "Microsoft DWM Core Library Elevation of Privilege Vulnerability"}, {"lang": "es", "value": "Una vulnerabilidad de Escalada de Privilegios en Microsoft DWM Core Library"}], "lastModified": "2024-07-29T17:32:30.853", "cisaActionDue": "2021-11-17", "cisaExploitAdd": "2021-11-03", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "25BDC753-1696-4A75-AC79-E482662BD743", "versionEndExcluding": "10.0.18363.1621"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_2004:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4110DDEF-AFEB-469C-8FF1-9208D5AD254A", "versionEndExcluding": "10.0.19041.1052"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A81D1961-6D36-4BBB-96C2-15D5480637CE", "versionEndExcluding": "10.0.19042.1052"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "579557C6-7D3C-4D9D-B8DF-E3193C01715C", "versionEndExcluding": "10.0.19043.1052"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "854BE587-9888-4365-ABBA-AC951DC7BCB4", "versionEndExcluding": "10.0.19041.1052"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_20h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B963E9AB-D1F7-45D1-8B7E-675732475401", "versionEndExcluding": "10.0.19042.1052"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Microsoft Desktop Window Manager (DWM) Core Library Privilege Escalation Vulnerability"}