CVE-2021-36949

Microsoft Azure Active Directory Connect Authentication Bypass Vulnerability

CVSS v3 7.1 HIGH
CVSS v2.0 4.9 MEDIUM

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:A/AC:M/Au:S/C:P/I:P/A:P

Exploitability : 4.4 / Impact : 6.4

Access Vector ADJACENT_NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36949	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:azure_active_directory_connect::::::::
	cpe:2.3:a:microsoft:azure_active_directory_connect::::::::
	cpe:2.3:a:microsoft:azure_active_directory_connect_provisioning_agent::::::::

History

20 Aug 2021, 18:57

Type	Values Removed	Values Added
CWE		CWE-287
References	~~(N/A) https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36949 -~~	(N/A) https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36949 - Patch, Vendor Advisory
CPE		cpe:2.3:a:microsoft:azure_active_directory_connect:::::::: cpe:2.3:a:microsoft:azure_active_directory_connect_provisioning_agent::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 4.9 v3 : 7.1

12 Aug 2021, 18:34

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-08-12 18:15

Updated : 2023-12-28 20:15

NVD link : CVE-2021-36949

Mitre link : CVE-2021-36949

CVE.ORG link : CVE-2021-36949

JSON object : View

Products Affected

microsoft

azure_active_directory_connect
azure_active_directory_connect_provisioning_agent

CWE

CWE-287

Improper Authentication

{"id": "CVE-2021-36949", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.9, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:M/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 4.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "secure@microsoft.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.2}, {"type": "Secondary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.2}]}, "published": "2021-08-12T18:15:10.227", "references": [{"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36949", "tags": ["Patch", "Vendor Advisory"], "source": "secure@microsoft.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-287"}]}], "descriptions": [{"lang": "en", "value": "Microsoft Azure Active Directory Connect Authentication Bypass Vulnerability"}, {"lang": "es", "value": "Una Vulnerabilidad de Omisi\u00f3n de Autenticaci\u00f3n de Microsoft Azure Active Directory Connect"}], "lastModified": "2023-12-28T20:15:54.210", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:azure_active_directory_connect:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0C92E3BE-66AB-4FAF-B949-9CA32AB2DA48", "versionEndIncluding": "1.6.11.3", "versionStartIncluding": "1.3.20.0"}, {"criteria": "cpe:2.3:a:microsoft:azure_active_directory_connect:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "00A45694-3CEA-462A-974E-097B80164B6D", "versionEndIncluding": "2.0.9.0", "versionStartIncluding": "2.0.3.0"}, {"criteria": "cpe:2.3:a:microsoft:azure_active_directory_connect_provisioning_agent:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "568ACFF8-DC9B-45C8-BBED-BA6F0863A4FE", "versionEndExcluding": "1.1.582.0"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}