CVE-2021-34477

Visual Studio Code .NET Runtime Elevation of Privilege Vulnerability

CVSS v3 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3 : HIGH

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

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-2021-34477	Patch Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34477	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:.net_education_bundle_sdk_install_tool::::::visual_studio_code::*
	cpe:2.3:a:microsoft:.net_install_tool_for_extension_authors::::::visual_studio_code::*

History

21 Nov 2024, 06:10

Type	Values Removed	Values Added
References	~~() https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34477 - Patch, Vendor Advisory~~	() https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34477 - Patch, Vendor Advisory

Information

Published : 2021-07-14 18:15

Updated : 2024-11-21 06:10

NVD link : CVE-2021-34477

Mitre link : CVE-2021-34477

CVE.ORG link : CVE-2021-34477

JSON object : View

Products Affected

microsoft

.net_education_bundle_sdk_install_tool
.net_install_tool_for_extension_authors

CWE

CWE-269

Improper Privilege Management

{"id": "CVE-2021-34477", "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": "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": "2021-07-14T18:15:11.260", "references": [{"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34477", "tags": ["Patch", "Vendor Advisory"], "source": "secure@microsoft.com"}, {"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34477", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-269"}]}], "descriptions": [{"lang": "en", "value": "Visual Studio Code .NET Runtime Elevation of Privilege Vulnerability"}, {"lang": "es", "value": "Una vulnerabilidad de Elevaci\u00f3n de Privilegios en Visual Studio Code .NET Runtime"}], "lastModified": "2024-11-21T06:10:29.737", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:.net_education_bundle_sdk_install_tool:*:*:*:*:*:visual_studio_code:*:*", "vulnerable": true, "matchCriteriaId": "ADFC7881-B910-421E-B790-7D7A4C9089B7", "versionEndExcluding": "0.7.0", "versionStartIncluding": "0.6.0"}, {"criteria": "cpe:2.3:a:microsoft:.net_install_tool_for_extension_authors:*:*:*:*:*:visual_studio_code:*:*", "vulnerable": true, "matchCriteriaId": "F7C5A267-31CE-48B0-A41A-A393A65F8ED4", "versionEndExcluding": "1.2.0", "versionStartIncluding": "1.1.0"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}