CVE-2021-33781
HIGHCVSS 8.1/10EPSS 2.16%
Last modified
CVE-2021-33781 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. Azure AD Security Feature Bypass Vulnerability. EPSS estimates a 2.16% chance of exploitation in the next 30 days.
Description
Azure AD Security Feature Bypass Vulnerability
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 | All versions |
| Microsoft | Windows 10 | 20h2 |
| Microsoft | Windows 10 | 21h1 |
| Microsoft | Windows 10 | 1809 |
| Microsoft | Windows 10 | 1909 |
| Microsoft | Windows 10 | 2004 |
| Microsoft | Windows Server 2016 | All versions |
| Microsoft | Windows Server 2016 | 20h2 |
| Microsoft | Windows Server 2016 | 2004 |
| Microsoft | Windows Server 2019 | All versions |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33781Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33781Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-33781?
Azure AD Security Feature Bypass Vulnerability
How severe is CVE-2021-33781?
CVE-2021-33781 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 2.16% probability of exploitation in the next 30 days.
How do I fix CVE-2021-33781?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-33781?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST