{"containers": {"cna": {"title": "Azure Active Directory Information Disclosure Vulnerability", "datePublic": "2021-11-17T08:00:00+00:00", "affected": [{"vendor": "Microsoft", "product": "Azure Automation", "cpes": ["cpe:2.3:a:microsoft:azure_automation:-:*:*:*:*:*:*:*"], "platforms": ["Unknown"], "versions": [{"version": "1.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Azure Active Directory", "cpes": [], "platforms": ["Unknown"], "versions": [{"version": "N/A", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Azure Site Recovery", "cpes": [], "platforms": ["Unknown"], "versions": [{"version": "N/A", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Azure Migrate", "cpes": [], "platforms": ["Unknown"], "versions": [{"version": "N/A", "status": "affected"}]}], "descriptions": [{"value": "An information disclosure vulnerability manifests when a user or an application uploads unprotected private key data as part of an authentication certificate keyCredential\u202f on an Azure AD Application or Service Principal (which is not recommended). This vulnerability allows a user or service in the tenant with application read access to read the private key data that was added to the application.\nAzure AD\u202faddressed this vulnerability by preventing disclosure of any private key\u202fvalues added\u202fto the application.\nMicrosoft has identified services that could manifest this vulnerability, and steps that customers should take to be protected. Refer to the FAQ section for more information.\nFor more details on this issue, please refer to the MSRC Blog Entry.\n", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "Elevation of Privilege", "lang": "en-US", "type": "Impact"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2024-05-29T14:48:06.584Z"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42306"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "HIGH", "baseScore": 8.1, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C"}}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T03:30:38.252Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42306"}]}]}, "cveMetadata": {"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "assignerShortName": "microsoft", "cveId": "CVE-2021-42306", "datePublished": "2021-11-24T01:05:13", "dateReserved": "2021-10-12T00:00:00", "dateUpdated": "2024-08-04T03:30:38.252Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:azure_active_directory:*:*:*:*:*:*:*:*", "matchCriteriaId": "E330A501-E24E-4832-AC8C-D36F3057A2F1", "versionEndExcluding": "2021-10-30", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:azure_active_site_recovery:*:*:*:*:*:*:*:*", "matchCriteriaId": "671F015B-9F9C-424C-AD6F-5FA7E6AD79C4", "versionEndExcluding": "2021-11-01", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:azure_automation:*:*:*:*:*:*:*:*", "matchCriteriaId": "30062F8C-2A4B-4ACB-AD96-81B056086D3C", "versionEndExcluding": "2021-10-15", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:azure_migrate:*:*:*:*:*:*:*:*", "matchCriteriaId": "87634328-1533-4851-954C-FF2F2A7F0B5F", "versionEndExcluding": "2021-11-02", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "An information disclosure vulnerability manifests when a user or an application uploads unprotected private key data as part of an authentication certificate keyCredential\u202f on an Azure AD Application or Service Principal (which is not recommended). This vulnerability allows a user or service in the tenant with application read access to read the private key data that was added to the application.\nAzure AD\u202faddressed this vulnerability by preventing disclosure of any private key\u202fvalues added\u202fto the application.\nMicrosoft has identified services that could manifest this vulnerability, and steps that customers should take to be protected. Refer to the FAQ section for more information.\nFor more details on this issue, please refer to the MSRC Blog Entry.\n"}, {"lang": "es", "value": "Una vulnerabilidad de Divulgaci\u00f3n de Informaci\u00f3n de Azure Active Directory"}], "id": "CVE-2021-42306", "lastModified": "2024-11-21T06:27:34.237", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "secure@microsoft.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Secondary"}]}, "published": "2021-11-24T01:15:08.363", "references": [{"source": "secure@microsoft.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42306"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42306"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-522"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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