CVE-2024-43451
MEDIUMCVSS 6.5/10Actively ExploitedEPSS 81.82%
Last modified
CVE-2024-43451 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. NTLM Hash Disclosure Spoofing Vulnerability. CISA has confirmed active exploitation in the wild. EPSS estimates a 81.82% chance of exploitation in the next 30 days.
Description
NTLM Hash Disclosure Spoofing Vulnerability
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Microsoft | Windows 10 1507 | < 10.0.10240.20826 | — |
| Microsoft | Windows 10 1607 | < 10.0.14393.7515 | — |
| Microsoft | Windows 10 1809 | < 10.0.17763.6532 | — |
| Microsoft | Windows 10 21h2 | < 10.0.19044.5131 | — |
| Microsoft | Windows 10 22h2 | < 10.0.19045.5131 | — |
| Microsoft | Windows 11 22h2 | < 10.0.22621.4460 | — |
| Microsoft | Windows 11 23h2 | < 10.0.22631.4460 | — |
| Microsoft | Windows 11 24h2 | < 10.0.26100.2314 | — |
| Microsoft | Windows Server 2008 | All versions | Sp2 |
| Microsoft | Windows Server 2008 | r2 | Sp1 |
| Microsoft | Windows Server 2012 | All versions | — |
| Microsoft | Windows Server 2012 | r2 | — |
| Microsoft | Windows Server 2016 | < 10.0.14393.7515 | — |
| Microsoft | Windows Server 2019 | < 10.0.17763.6532 | — |
| Microsoft | Windows Server 2022 | < 10.0.20348.2849 | — |
| Microsoft | Windows Server 2022 23h2 | < 10.0.25398.1251 | — |
| Microsoft | Windows Server 2025 | < 10.0.26100.2314 | — |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43451Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-43451US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2024-43451?
NTLM Hash Disclosure Spoofing Vulnerability
How severe is CVE-2024-43451?
CVE-2024-43451 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 81.82% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2024-43451?
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-2024-43451?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST