Auth bypass in Microsoft Azure Active Directory Connect
CVE-2021-36949
Microsoft Azure Active Directory Connect Authentication Bypass Vulnerability
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.014 (71.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Microsoft Azure Active Directory Connect
- Microsoft Azure Active Directory Connect Provisioning Agent — versions 1.1.0.0
- Microsoft Azure Active Directory Connect Provisioning Agent
- Microsoft Azure Active Directory Connect 1.x.y.z — versions 1.0.0.0
- Microsoft Azure Active Directory Connect 2.0.x.y — versions 2.0.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- af854a3a-2127-422b-91ae-364da2661108 (Patch, Vendor Advisory)
- msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36949 (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2021-36949?
- CVE-2021-36949 is a high-severity vulnerability in Microsoft Azure Active Directory Connect, classified under Improper Authentication. CVSS score: 7.1/10. Published 2021-08-12.
- How severe is CVE-2021-36949?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2021-36949 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.