CVE-2024-21427 json
Windows Kerberos Security Feature Bypass Vulnerability
published 2y ago modified 4mo ago also EUVD-2024-19136
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 74%
- public exploits
- 0
- none known
Summary
Windows Kerberos Security Feature Bypass Vulnerability
Patch / fix
- Microsoft Windows Server 2019 10.0.17763.5696
- Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.5696
- Microsoft Windows Server 2022 10.0.20348.2402
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.830
- Microsoft Windows Server 2016 10.0.14393.6897
- Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.6897
- Microsoft Windows Server 2012 R2 6.3.9600.21924
- Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.21924
Is CVE-2024-21427 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2y ago
Exploit prediction
1.52% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Microsoft Windows Server 2019
- Microsoft Windows Server 2019 (Server Core installation)
- Microsoft Windows Server 2022
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
- Microsoft Windows Server 2016
- Microsoft Windows Server 2016 (Server Core installation)
- Microsoft Windows Server 2012 R2
- Microsoft Windows Server 2012 R2 (Server Core installation)
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2024-21427
vendor-advisory, patch
Sources
- CVE List CVE-2024-21427
- NVD CVE-2024-21427
Fencer Intel 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.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.