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
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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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