Vulnerability in Microsoft Azure Active Directory
CVE-2021-42306
An information disclosure vulnerability manifests when a user or an application uploads unprotected private key data as part of an authentication certificate keyCredential on an Azure AD Application or Service Principal (which is not reco…
EPSS: 0.031 (86.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Microsoft Azure Active Directory — versions N/A
- Microsoft Azure_active_directory
- Microsoft Azure_active_site_recovery
- Microsoft Azure Automation — versions 1.0.0
- Microsoft Azure_automation
- Microsoft Azure Migrate — versions N/A
- Microsoft Azure_migrate
- Microsoft Azure Site Recovery — versions N/A
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-42306?
- CVE-2021-42306 is a high-severity vulnerability in Microsoft Azure Active Directory, classified under Insufficiently Protected Credentials. CVSS score: 8.1/10. Published 2021-11-24.
- How severe is CVE-2021-42306?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2021-42306 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.