VulnerabilityModified
CVE-2021-33779
Windows AD FS Security Feature Bypass Vulnerability
HIGH 8.1EPSS 2.39%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.39%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Windows AD FS Security Feature Bypass Vulnerability
- CVSS 3.1
- 8.1 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 2.39% probability · 83th percentile
- CISA KEV
- Not listed
- Affected
- microsoft/windows server 2016 · microsoft/windows server 2019
- Source
- secure@microsoft.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.