CVE-2021-1647

Microsoft Defender Remote Code Execution Vulnerability

CVSS v3 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1647	Patch Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1647

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:microsoft:windows_defender:-:*:*:*:*:*:*:*

OR	cpe:2.3:o:microsoft:windows_10_1507:-:::::::*
	cpe:2.3:o:microsoft:windows_10_1607:-:::::::*
	cpe:2.3:o:microsoft:windows_10_1803:-:::::::*
	cpe:2.3:o:microsoft:windows_10_1809:-:::::::*
	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_7:-:sp1::::::
	cpe:2.3:o:microsoft:windows_8.1:-:::::::*
	cpe:2.3:o:microsoft:windows_rt_8.1:-:::::::*
	cpe:2.3:o:microsoft:windows_server_1909:-:::::::*
	cpe:2.3:o:microsoft:windows_server_2004:-:::::::*
	cpe:2.3:o:microsoft:windows_server_2008:-:sp2::::::
	cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:::::x64:*
	cpe:2.3:o:microsoft:windows_server_2012:-:::::::*
	cpe:2.3:o:microsoft:windows_server_2012:r2:::::::*
	cpe:2.3:o:microsoft:windows_server_2016:-:::::::*
	cpe:2.3:o:microsoft:windows_server_2019:-:::::::*
	cpe:2.3:o:microsoft:windows_server_20h2:-:::::::*

Configuration 2 (hide)

OR	cpe:2.3:a:microsoft:security_essentials:-:::::::*
	cpe:2.3:a:microsoft:system_center_endpoint_protection:-:::::::*
	cpe:2.3:a:microsoft:system_center_endpoint_protection:2012:-::::::
	cpe:2.3:a:microsoft:system_center_endpoint_protection:2012:r2::::::

History

21 Nov 2024, 05:44

Type	Values Removed	Values Added
References		() https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1647 -

09 Oct 2024, 14:40

Type	Values Removed	Values Added
CWE	~~CWE-20~~	NVD-CWE-noinfo
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1647 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1647 - Patch, Vendor Advisory

08 Oct 2024, 17:15

Type	Values Removed	Values Added
References	~~{'url': 'https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1647', 'tags': ['Patch', 'Vendor Advisory'], 'source': 'secure@microsoft.com'}~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1647 -

26 Jul 2024, 20:03

Type	Values Removed	Values Added
CPE	cpe:2.3:o:microsoft:windows_10:1803:::::::* cpe:2.3:o:microsoft:windows_server_2016:2004:::::::* cpe:2.3:o:microsoft:windows_10:1909:::::::* cpe:2.3:o:microsoft:windows_10:2004:::::::* cpe:2.3:o:microsoft:windows_server_2016:20h2:::::::* cpe:2.3:o:microsoft:windows_10:1607:::::::* cpe:2.3:o:microsoft:windows_10:1809:::::::* cpe:2.3:o:microsoft:windows_10:-:::::::* cpe:2.3:o:microsoft:windows_server_2016:1909:::::::* cpe:2.3:o:microsoft:windows_10:20h2:::::::*	cpe:2.3:o:microsoft:windows_10_1909:-:::::::* cpe:2.3:o:microsoft:windows_server_1909:-:::::::* cpe:2.3:o:microsoft:windows_10_1607:-:::::::* cpe:2.3:o:microsoft:windows_10_1809:-:::::::* cpe:2.3:o:microsoft:windows_10_1507:-:::::::* cpe:2.3:o:microsoft:windows_10_2004:-:::::::* cpe:2.3:o:microsoft:windows_server_20h2:-:::::::* cpe:2.3:o:microsoft:windows_10_20h2:-:::::::* cpe:2.3:o:microsoft:windows_server_2004:-:::::::* cpe:2.3:o:microsoft:windows_10_1803:-:::::::*
First Time		Microsoft windows 10 2004 Microsoft windows 10 1909 Microsoft windows 10 1803 Microsoft windows 10 1507 Microsoft windows 10 20h2 Microsoft windows Server 1909 Microsoft windows 10 1809 Microsoft windows 10 1607 Microsoft windows Server 20h2 Microsoft windows Server 2004

08 Aug 2023, 14:21

Type	Values Removed	Values Added
CWE	~~CWE-131~~	CWE-20

12 Jul 2022, 17:42

Type	Values Removed	Values Added
CWE	~~NVD-CWE-noinfo~~	CWE-131

Information

Published : 2021-01-12 20:15

Updated : 2024-11-21 05:44

NVD link : CVE-2021-1647

Mitre link : CVE-2021-1647

CVE.ORG link : CVE-2021-1647

JSON object : View

Products Affected

microsoft

windows_server_2019
windows_server_2016
windows_10_1607
security_essentials
windows_server_20h2
windows_10_20h2
windows_rt_8.1
windows_10_1809
windows_10_1507
windows_server_2012
windows_server_2008
windows_10_1909
windows_defender
windows_10_1803
windows_server_2004
windows_server_1909
system_center_endpoint_protection
windows_8.1
windows_7
windows_10_2004

CWE

NVD-CWE-noinfo

{"id": "CVE-2021-1647", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "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:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "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:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2021-01-12T20:15:30.727", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1647", "tags": ["Patch", "Vendor Advisory"], "source": "secure@microsoft.com"}, {"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1647", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "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"}], "lastModified": "2024-11-21T05:44:48.307", "cisaActionDue": "2021-11-17", "cisaExploitAdd": "2021-11-03", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:windows_defender:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "794244D1-F317-44C8-8338-3DA74E71D4B0"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "542DAEEC-73CC-46C6-A630-BF474A3446AC"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "61019899-D7AF-46E4-A72C-D189180F66AB"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "00345596-E9E0-4096-8DC6-0212F4747A13"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "2E332666-2E03-468E-BC30-299816D6E8ED"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1909:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A1B570A8-ED1A-46B6-B8AB-064445F8FC4C"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_2004:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "D4DBE5B2-AE10-4251-BCDA-DC5EDEE6EE67"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_20h2:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "6AFD13A6-A390-4400-9029-2F4058CA17E2"}, {"criteria": "cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "C2B1C231-DE19-4B8F-A4AA-5B3A65276E46"}, {"criteria": "cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "E93068DB-549B-45AB-8E5C-00EB5D8B5CF8"}, {"criteria": "cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "C6CE5198-C498-4672-AF4C-77AB4BE06C5C"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_1909:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "ADE7E7B1-64AC-4986-A50B-0918A42C05BB"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2004:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "62224791-644C-4D1F-AD77-56B16CF27630"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "5F422A8C-2C4E-42C8-B420-E0728037E15C"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*", "vulnerable": false, "matchCriteriaId": "AF07A81D-12E5-4B1D-BFF9-C8D08C32FF4F"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A7DF96F8-BA6A-4780-9CA3-F719B3F81074"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "DB18C4CE-5917-401E-ACF7-2747084FD36E"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "041FF8BA-0B12-4A1F-B4BF-9C4F33B7C1E7"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "DB79EE26-FC32-417D-A49C-A1A63165A968"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_20h2:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "84F9B6B1-4FEE-4D4B-B35F-B07822CCD669"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:security_essentials:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "20FBA682-B703-4590-98E4-8897EED11DE0"}, {"criteria": "cpe:2.3:a:microsoft:system_center_endpoint_protection:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "194DE421-9536-4001-9A27-6C88805421EA"}, {"criteria": "cpe:2.3:a:microsoft:system_center_endpoint_protection:2012:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "410C8132-8953-4A2E-AF04-BBB4044BA64C"}, {"criteria": "cpe:2.3:a:microsoft:system_center_endpoint_protection:2012:r2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D2D1AAB8-A55D-404A-A431-7F4A0201F488"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Microsoft Defender Remote Code Execution Vulnerability"}

7.8 /10