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: 0.082 (92.4th 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/E:U/RL:O/RC:C.
Affected products
- Microsoft Azure Active Directory — versions N/A
- Microsoft Azure Automation — versions 1.0.0
- Microsoft Azure Migrate — versions N/A
- Microsoft Azure Site Recovery — versions N/A
Public proof-of-concept exploits
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42306 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-42306?
- CVE-2021-42306 is a high-severity vulnerability in Microsoft Azure Active Directory. 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.