CVE-2021-36949 json
Microsoft Azure Active Directory Connect Authentication Bypass Vulnerability
published 2021-08-12 5 y ago modified 2026-08-10 2 mo ago also EUVD-2021-23525
- cvss
- 7.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
Microsoft Azure Active Directory Connect Authentication Bypass Vulnerability
Patch / fix
- Microsoft Azure Active Directory Connect Provisioning Agent 1.1.582.0
- Microsoft Microsoft Azure Active Directory Connect 1.X.Y.Z 1.6.11.3
- Microsoft Microsoft Azure Active Directory Connect 2.0.X.Y 2.0.8.0
Exploit prediction
1.40% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C |
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.9 | AV:A/AC:M/Au:S/C:P/I:P/A:P |
Affected products
- Microsoft Azure Active Directory Connect Provisioning Agent
- Microsoft Microsoft Azure Active Directory Connect 1.X.Y.Z
- Microsoft Microsoft Azure Active Directory Connect 2.0.X.Y
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2021-36949
vendor-advisory, patch
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2021-36949
patch, vendor-advisory
Sources
- CVE List CVE-2021-36949
- NVD CVE-2021-36949
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.