CVE-2021-40456
Windows AD FS Security Feature Bypass Vulnerability
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 10.0.17763.2237, 10.0.20348.288, 10.0.19041.1288, 10.0.19042.1288
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: yes
- Technical impact: partial
Summary
Windows AD FS Security Feature Bypass Vulnerability
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: partial
- Record last updated
Affected versions
- Microsoft Windows Server 2019
From 10.0.0 · fixed in 10.0.17763.2237
- Microsoft Windows Server 2019 (Server Core installation)
From 10.0.0 · fixed in 10.0.17763.2237
- Microsoft Windows Server 2022
From 10.0.0 · fixed in 10.0.20348.288
- Microsoft Windows Server version 2004
From 10.0.0 · fixed in 10.0.19041.1288
- Microsoft Windows Server version 20H2
From 10.0.0 · fixed in 10.0.19042.1288