CVE-2021-34522

Microsoft Defender Remote Code Execution Vulnerability

CVSS v3 7.8 HIGH
CVSS v2.0 9.3 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.3^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:M/Au:N/C:C/I:C/A:C

Exploitability : 8.6 / Impact : 10.0

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34522	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:*

History

28 Dec 2023, 23:15

Type	Values Removed	Values Added
Summary	~~(en) Microsoft Defender Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-34464.~~	(en) Microsoft Defender Remote Code Execution Vulnerability

22 Jul 2021, 17:06

Type	Values Removed	Values Added
CVSS	v2 : ~~6.8~~ v3 : ~~7.8~~	v2 : 9.3 v3 : 7.8

22 Jul 2021, 14:30

Type	Values Removed	Values Added
CWE		NVD-CWE-noinfo
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 6.8 v3 : 7.8
CPE		cpe:2.3:a:microsoft:malware_protection_engine::::::::
References	~~(MISC) https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34522 -~~	(MISC) https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34522 - Patch, Vendor Advisory

14 Jul 2021, 19:14

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-07-14 18:15

Updated : 2023-12-28 23:15

NVD link : CVE-2021-34522

Mitre link : CVE-2021-34522

CVE.ORG link : CVE-2021-34522

JSON object : View

Products Affected

microsoft

malware_protection_engine

CWE

NVD-CWE-noinfo

{"id": "CVE-2021-34522", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 9.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "secure@microsoft.com", "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}, {"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": "2021-07-14T18:15:12.313", "references": [{"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34522", "tags": ["Patch", "Vendor Advisory"], "source": "secure@microsoft.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "Microsoft Defender Remote Code Execution Vulnerability"}, {"lang": "es", "value": "Una vulnerabilidad de Ejecuci\u00f3n de C\u00f3digo Remota de Microsoft Defender. Este ID de CVE es diferente de CVE-2021-34464"}], "lastModified": "2023-12-28T23:15:40.847", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C532CE1F-2C91-4D3C-BFE0-F0E8046EC5E3", "versionEndExcluding": "1.1.18242.0"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}