CVE-2021-43877

ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability

CVSS v3 8.8 HIGH
CVSS v2.0 4.6 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.0 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

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-2021-43877	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:asp.net_core:3.1:::::::*
	cpe:2.3:a:microsoft:asp.net_core:5.0:::::::*
	cpe:2.3:a:microsoft:asp.net_core:6.0:::::::*
	cpe:2.3:a:microsoft:visual_studio_2019:16.7:::::::*
	cpe:2.3:a:microsoft:visual_studio_2019:16.9:::::::*
	cpe:2.3:a:microsoft:visual_studio_2019:16.11:::::::*
	cpe:2.3:a:microsoft:visual_studio_2022:17.0:::::::*

History

28 Dec 2023, 00:15

Type	Values Removed	Values Added
CVSS	v2 : ~~4.6~~ v3 : ~~7.8~~	v2 : 4.6 v3 : 8.8

Information

Published : 2021-12-15 15:15

Updated : 2024-02-28 18:48

NVD link : CVE-2021-43877

Mitre link : CVE-2021-43877

CVE.ORG link : CVE-2021-43877

JSON object : View

Products Affected

microsoft

asp.net_core
visual_studio_2019
visual_studio_2022

CWE

NVD-CWE-noinfo

{"id": "CVE-2021-43877", "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": "CHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.0}, {"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": "2021-12-15T15:15:10.950", "references": [{"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43877", "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": "ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability"}, {"lang": "es", "value": "Una vulnerabilidad de Elevaci\u00f3n de Privilegios en ASP.NET Core y Visual Studio"}], "lastModified": "2023-12-28T00:15:11.683", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:asp.net_core:3.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5FE4072E-3226-435C-BC61-A775D3EF2822"}, {"criteria": "cpe:2.3:a:microsoft:asp.net_core:5.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A5C2DF1D-063A-432E-8E7A-39A9C7C9582D"}, {"criteria": "cpe:2.3:a:microsoft:asp.net_core:6.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E907B35E-144C-43AA-9902-3F19ACAE3D77"}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2019:16.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E47AD481-C23D-4610-B9BC-844F7B8F7A28"}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2019:16.9:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DF6CF9B0-D279-42CD-A84D-48327F44422D"}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2019:16.11:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "99E7DAC9-17EF-40D4-AEEC-C24970B7190F"}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2022:17.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3393F97F-05CD-4B04-A6E1-3D914652C4E5"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}