CVE-2021-42306
Vulnerability from cvelistv5
Published
2021-11-24 01:05
Modified
2024-08-04 03:30
Severity ?
EPSS score ?
Summary
Azure Active Directory Information Disclosure Vulnerability
References
| ▼ | URL | Tags | |
|---|---|---|---|
| secure@microsoft.com | https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42306 | Patch, Vendor Advisory |
Impacted products
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T03:30:38.252Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42306"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:microsoft:azure_automation:-:*:*:*:*:*:*:*"
],
"platforms": [
"Unknown"
],
"product": "Azure Automation",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "1.0.0",
"versionType": "custom"
}
]
},
{
"cpes": [],
"platforms": [
"Unknown"
],
"product": "Azure Active Directory",
"vendor": "Microsoft",
"versions": [
{
"status": "affected",
"version": "N/A"
}
]
},
{
"cpes": [],
"platforms": [
"Unknown"
],
"product": "Azure Site Recovery",
"vendor": "Microsoft",
"versions": [
{
"status": "affected",
"version": "N/A"
}
]
},
{
"cpes": [],
"platforms": [
"Unknown"
],
"product": "Azure Migrate",
"vendor": "Microsoft",
"versions": [
{
"status": "affected",
"version": "N/A"
}
]
}
],
"datePublic": "2021-11-17T08:00:00+00:00",
"descriptions": [
{
"lang": "en-US",
"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"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 8.1,
"baseSeverity": "HIGH",
"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",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Elevation of Privilege",
"lang": "en-US",
"type": "Impact"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-05-29T14:48:06.584Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42306"
}
],
"title": "Azure Active Directory Information Disclosure Vulnerability"
}
},
"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",
"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2021-42306\",\"sourceIdentifier\":\"secure@microsoft.com\",\"published\":\"2021-11-24T01:15:08.363\",\"lastModified\":\"2024-05-28T21:15:29.680\",\"vulnStatus\":\"Modified\",\"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\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"secure@microsoft.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.2},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:P/I:N/A:N\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\",\"baseScore\":4.0},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-522\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:azure_active_directory:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2021-10-30\",\"matchCriteriaId\":\"E330A501-E24E-4832-AC8C-D36F3057A2F1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:azure_active_site_recovery:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2021-11-01\",\"matchCriteriaId\":\"671F015B-9F9C-424C-AD6F-5FA7E6AD79C4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:azure_automation:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2021-10-15\",\"matchCriteriaId\":\"30062F8C-2A4B-4ACB-AD96-81B056086D3C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:azure_migrate:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2021-11-02\",\"matchCriteriaId\":\"87634328-1533-4851-954C-FF2F2A7F0B5F\"}]}]}],\"references\":[{\"url\":\"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42306\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}"
}
}
Loading...
Loading...
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.