Nov 2024: NTLM Hash Disclosure Spoofing Vulnerability
CVE-2024-43451 Published on November 12, 2024

NTLM Hash Disclosure Spoofing Vulnerability
NTLM Hash Disclosure Spoofing Vulnerability

Vendor Advisory NVD

Known Exploited Vulnerability

This Microsoft Windows NTLMv2 Hash Disclosure Spoofing Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Microsoft Windows contains an NTLMv2 hash spoofing vulnerability that could result in disclosing a user's NTLMv2 hash to an attacker via a file open operation. The attacker could then leverage this hash to impersonate that user.

The following remediation steps are recommended / required by December 3, 2024: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Weakness Type

External Control of File Name or Path

The software allows user input to control or influence paths or file names that are used in filesystem operations.

Products Associated with CVE-2024-43451

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2024-43451 are published in these products:

Microsoft Windows Server 2008

Microsoft Windows Server 2012

Microsoft Windows Server 2025

Microsoft Windows Server 2019

Microsoft Windows Server 2022

Microsoft Windows 11

Microsoft Windows 10

Microsoft Windows 11 23h2

Microsoft Windows Server 2022 23h2

Microsoft Windows 11 24h2

Microsoft Windows 10 1507

Microsoft Windows Server 2016

Microsoft Windows Server 23h2

Microsoft Windows Server 2008 Sp2

Microsoft Windows Server 2008 R2

Microsoft Windows Server 2012 R2

Affected Versions

Microsoft Windows Server 2025:

Version 10.0.26100.0 and below 10.0.26100.2314 is affected.

Microsoft Windows Server 2025 (Server Core installation):

Version 10.0.26100.0 and below 10.0.26100.2314 is affected.

Microsoft Windows 10 Version 1809:

Version 10.0.17763.0 and below 10.0.17763.6532 is affected.

Microsoft Windows Server 2019:

Version 10.0.17763.0 and below 10.0.17763.6532 is affected.

Microsoft Windows Server 2019 (Server Core installation):

Version 10.0.17763.0 and below 10.0.17763.6532 is affected.

Microsoft Windows Server 2022:

Version 10.0.20348.0 and below 10.0.20348.2849 is affected.

Microsoft Windows 10 Version 21H2:

Version 10.0.19043.0 and below 10.0.19044.5131 is affected.

Microsoft Windows 11 version 22H2:

Version 10.0.22621.0 and below 10.0.22621.4460 is affected.

Microsoft Windows 10 Version 22H2:

Version 10.0.19045.0 and below 10.0.19045.5131 is affected.

Microsoft Windows 11 version 22H3:

Version 10.0.22631.0 and below 10.0.22631.4460 is affected.

Microsoft Windows 11 Version 23H2:

Version 10.0.22631.0 and below 10.0.22631.4460 is affected.

Microsoft Windows Server 2022, 23H2 Edition (Server Core installation):

Version 10.0.25398.0 and below 10.0.25398.1251 is affected.

Microsoft Windows 11 Version 24H2:

Version 10.0.26100.0 and below 10.0.26100.2314 is affected.

Microsoft Windows 10 Version 1507:

Version 10.0.10240.0 and below 10.0.10240.20826 is affected.

Microsoft Windows 10 Version 1607:

Version 10.0.14393.0 and below 10.0.14393.7515 is affected.

Microsoft Windows Server 2016:

Version 10.0.14393.0 and below 10.0.14393.7515 is affected.

Microsoft Windows Server 2016 (Server Core installation):

Version 10.0.14393.0 and below 10.0.14393.7515 is affected.

Microsoft Windows Server 2008 Service Pack 2:

Version 6.0.6003.0 and below 6.0.6003.22966 is affected.

Microsoft Windows Server 2008 Service Pack 2 (Server Core installation):

Version 6.0.6003.0 and below 6.0.6003.22966 is affected.

Microsoft Windows Server 2008 Service Pack 2:

Version 6.0.6003.0 and below 6.0.6003.22966 is affected.

Microsoft Windows Server 2008 R2 Service Pack 1:

Version 6.1.7601.0 and below 6.1.7601.27415 is affected.

Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation):

Version 6.1.7601.0 and below 6.1.7601.27415 is affected.

Microsoft Windows Server 2012 R2:

Version 6.3.9600.0 and below 6.3.9600.22267 is affected.

Microsoft Windows Server 2012 R2 (Server Core installation):

Version 6.3.9600.0 and below 6.3.9600.22267 is affected.

Exploit Probability

EPSS

89.93%

Percentile

99.56%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.