CVE-2024-43451

MEDIUM CISA KEV

Published Nov 12, 2024 Modified Oct 28, 2025 CWE-73

Description

NTLM Hash Disclosure Spoofing Vulnerability

CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CISA Known Exploited Vulnerability

This vulnerability is actively exploited in the wild.

Added: Nov 12, 2024 Remediation due: Dec 3, 2024

Weakness Type (CWE)

CWE-73 CWE-73

Affected Products

Vendor	Product	Versions
microsoft	windows_10_1507	< 10.0.10240.20826
microsoft	windows_10_1507	< 10.0.10240.20826
microsoft	windows_10_1607	< 10.0.14393.7515
microsoft	windows_10_1607	< 10.0.14393.7515
microsoft	windows_10_1809	< 10.0.17763.6532
microsoft	windows_10_1809	< 10.0.17763.6532
microsoft	windows_10_21h2	< 10.0.19044.5131
microsoft	windows_10_21h2	< 10.0.19044.5131
microsoft	windows_10_21h2	< 10.0.19044.5131
microsoft	windows_10_22h2	< 10.0.19045.5131
microsoft	windows_10_22h2	< 10.0.19045.5131
microsoft	windows_10_22h2	< 10.0.19045.5131
microsoft	windows_11_22h2	< 10.0.22621.4460
microsoft	windows_11_22h2	< 10.0.22621.4460
microsoft	windows_11_23h2	< 10.0.22631.4460
microsoft	windows_11_23h2	< 10.0.22631.4460
microsoft	windows_11_24h2	< 10.0.26100.2314
microsoft	windows_11_24h2	< 10.0.26100.2314
microsoft	windows_server_2008	All
microsoft	windows_server_2008	All
microsoft	windows_server_2008	All
microsoft	windows_server_2012	All
microsoft	windows_server_2012	All
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

Advisories & Patches

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43451

Other References

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-43451

Frequently Asked Questions

What is CVE-2024-43451? +

NTLM Hash Disclosure Spoofing Vulnerability It has a CVSS v3.1 base score of 6.5 (MEDIUM). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

How severe is CVE-2024-43451? +

CVE-2024-43451 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-43451? +

CVE-2024-43451 affects products from microsoft, specifically: windows_10_1507, windows_10_1607, windows_10_1809, windows_10_21h2, windows_10_22h2, windows_11_22h2, windows_11_23h2, windows_11_24h2, windows_server_2008, windows_server_2012, windows_server_2016, windows_server_2019, windows_server_2022, windows_server_2022_23h2, windows_server_2025. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-43451? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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