// For flags

CVE-2024-43451

Microsoft Windows NTLMv2 Hash Disclosure Spoofing Vulnerability

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

Yes
*KEV

Decision

Attend
*SSVC
Descriptions

NTLM Hash Disclosure Spoofing Vulnerability

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.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
Active
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-08-14 CVE Reserved
  • 2024-11-12 CVE Published
  • 2024-11-12 Exploited in Wild
  • 2024-11-15 EPSS Updated
  • 2024-11-22 CVE Updated
  • 2024-12-03 KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-73: External Control of File Name or Path
CAPEC
References (1)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Microsoft
Search vendor "Microsoft"
Windows Server 2025
Search vendor "Microsoft" for product "Windows Server 2025"
>= 10.0.0.0 < 10.0.26100.2314
Search vendor "Microsoft" for product "Windows Server 2025" and version " >= 10.0.0.0 < 10.0.26100.2314"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2025
Search vendor "Microsoft" for product "Windows Server 2025"
>= 10.0.0.0 < 10.0.26100.2240
Search vendor "Microsoft" for product "Windows Server 2025" and version " >= 10.0.0.0 < 10.0.26100.2240"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2025 (Server Core Installation)
Search vendor "Microsoft" for product "Windows Server 2025 (Server Core Installation)"
>= 10.0.0.0 < 10.0.26100.2314
Search vendor "Microsoft" for product "Windows Server 2025 (Server Core Installation)" and version " >= 10.0.0.0 < 10.0.26100.2314"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2025 (Server Core Installation)
Search vendor "Microsoft" for product "Windows Server 2025 (Server Core Installation)"
>= 10.0.0.0 < 10.0.26100.2240
Search vendor "Microsoft" for product "Windows Server 2025 (Server Core Installation)" and version " >= 10.0.0.0 < 10.0.26100.2240"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows 10 Version 1809
Search vendor "Microsoft" for product "Windows 10 Version 1809"
>= 10.0.0.0 < 10.0.17763.6532
Search vendor "Microsoft" for product "Windows 10 Version 1809" and version " >= 10.0.0.0 < 10.0.17763.6532"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2019
Search vendor "Microsoft" for product "Windows Server 2019"
>= 10.0.0.0 < 10.0.17763.6532
Search vendor "Microsoft" for product "Windows Server 2019" and version " >= 10.0.0.0 < 10.0.17763.6532"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2019 (Server Core Installation)
Search vendor "Microsoft" for product "Windows Server 2019 (Server Core Installation)"
>= 10.0.0.0 < 10.0.17763.6532
Search vendor "Microsoft" for product "Windows Server 2019 (Server Core Installation)" and version " >= 10.0.0.0 < 10.0.17763.6532"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2022
Search vendor "Microsoft" for product "Windows Server 2022"
>= 10.0.0.0 < 10.0.20348.2849
Search vendor "Microsoft" for product "Windows Server 2022" and version " >= 10.0.0.0 < 10.0.20348.2849"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2022
Search vendor "Microsoft" for product "Windows Server 2022"
>= 10.0.0.0 < 10.0.20348.2819
Search vendor "Microsoft" for product "Windows Server 2022" and version " >= 10.0.0.0 < 10.0.20348.2819"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows 10 Version 21H2
Search vendor "Microsoft" for product "Windows 10 Version 21H2"
>= 10.0.0.0 < 10.0.19044.5131
Search vendor "Microsoft" for product "Windows 10 Version 21H2" and version " >= 10.0.0.0 < 10.0.19044.5131"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows 11 Version 22H2
Search vendor "Microsoft" for product "Windows 11 Version 22H2"
>= 10.0.0.0 < 10.0.22621.4460
Search vendor "Microsoft" for product "Windows 11 Version 22H2" and version " >= 10.0.0.0 < 10.0.22621.4460"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows 10 Version 22H2
Search vendor "Microsoft" for product "Windows 10 Version 22H2"
>= 10.0.0.0 < 10.0.19045.5131
Search vendor "Microsoft" for product "Windows 10 Version 22H2" and version " >= 10.0.0.0 < 10.0.19045.5131"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows 11 Version 22H3
Search vendor "Microsoft" for product "Windows 11 Version 22H3"
>= 10.0.0.0 < 10.0.22631.4460
Search vendor "Microsoft" for product "Windows 11 Version 22H3" and version " >= 10.0.0.0 < 10.0.22631.4460"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows 11 Version 23H2
Search vendor "Microsoft" for product "Windows 11 Version 23H2"
>= 10.0.0.0 < 10.0.22631.4460
Search vendor "Microsoft" for product "Windows 11 Version 23H2" and version " >= 10.0.0.0 < 10.0.22631.4460"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2022, 23H2 Edition (Server Core Installation)
Search vendor "Microsoft" for product "Windows Server 2022, 23H2 Edition (Server Core Installation)"
>= 10.0.0.0 < 10.0.25398.1251
Search vendor "Microsoft" for product "Windows Server 2022, 23H2 Edition (Server Core Installation)" and version " >= 10.0.0.0 < 10.0.25398.1251"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows 11 Version 24H2
Search vendor "Microsoft" for product "Windows 11 Version 24H2"
>= 10.0.0.0 < 10.0.26100.2314
Search vendor "Microsoft" for product "Windows 11 Version 24H2" and version " >= 10.0.0.0 < 10.0.26100.2314"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows 11 Version 24H2
Search vendor "Microsoft" for product "Windows 11 Version 24H2"
>= 10.0.0.0 < 10.0.26100.2240
Search vendor "Microsoft" for product "Windows 11 Version 24H2" and version " >= 10.0.0.0 < 10.0.26100.2240"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows 10 Version 1507
Search vendor "Microsoft" for product "Windows 10 Version 1507"
>= 10.0.0.0 < 10.0.10240.20826
Search vendor "Microsoft" for product "Windows 10 Version 1507" and version " >= 10.0.0.0 < 10.0.10240.20826"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows 10 Version 1607
Search vendor "Microsoft" for product "Windows 10 Version 1607"
>= 10.0.0.0 < 10.0.14393.7515
Search vendor "Microsoft" for product "Windows 10 Version 1607" and version " >= 10.0.0.0 < 10.0.14393.7515"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2016
Search vendor "Microsoft" for product "Windows Server 2016"
>= 10.0.0.0 < 10.0.14393.7515
Search vendor "Microsoft" for product "Windows Server 2016" and version " >= 10.0.0.0 < 10.0.14393.7515"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2016 (Server Core Installation)
Search vendor "Microsoft" for product "Windows Server 2016 (Server Core Installation)"
>= 10.0.0.0 < 10.0.14393.7515
Search vendor "Microsoft" for product "Windows Server 2016 (Server Core Installation)" and version " >= 10.0.0.0 < 10.0.14393.7515"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2008 Service Pack 2
Search vendor "Microsoft" for product "Windows Server 2008 Service Pack 2"
>= 6.0.0.0 < 6.0.6003.22966
Search vendor "Microsoft" for product "Windows Server 2008 Service Pack 2" and version " >= 6.0.0.0 < 6.0.6003.22966"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2008 Service Pack 2
Search vendor "Microsoft" for product "Windows Server 2008 Service Pack 2"
>= 1.001 < 6.0.0
Search vendor "Microsoft" for product "Windows Server 2008 Service Pack 2" and version " >= 1.001 < 6.0.0"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2008 Service Pack 2 (Server Core Installation)
Search vendor "Microsoft" for product "Windows Server 2008 Service Pack 2 (Server Core Installation)"
>= 6.0.0.0 < 6.0.6003.22966
Search vendor "Microsoft" for product "Windows Server 2008 Service Pack 2 (Server Core Installation)" and version " >= 6.0.0.0 < 6.0.6003.22966"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2008 Service Pack 2 (Server Core Installation)
Search vendor "Microsoft" for product "Windows Server 2008 Service Pack 2 (Server Core Installation)"
>= 1.001 < 6.0.0
Search vendor "Microsoft" for product "Windows Server 2008 Service Pack 2 (Server Core Installation)" and version " >= 1.001 < 6.0.0"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2008 Service Pack 2
Search vendor "Microsoft" for product "Windows Server 2008 Service Pack 2"
>= 6.0.0.0 < 6.0.6003.22966
Search vendor "Microsoft" for product "Windows Server 2008 Service Pack 2" and version " >= 6.0.0.0 < 6.0.6003.22966"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2008 Service Pack 2
Search vendor "Microsoft" for product "Windows Server 2008 Service Pack 2"
>= 1.001 < 6.0.0
Search vendor "Microsoft" for product "Windows Server 2008 Service Pack 2" and version " >= 1.001 < 6.0.0"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2008 R2 Service Pack 1
Search vendor "Microsoft" for product "Windows Server 2008 R2 Service Pack 1"
>= 6.1.0.0 < 6.1.7601.27415
Search vendor "Microsoft" for product "Windows Server 2008 R2 Service Pack 1" and version " >= 6.1.0.0 < 6.1.7601.27415"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2008 R2 Service Pack 1
Search vendor "Microsoft" for product "Windows Server 2008 R2 Service Pack 1"
>= 1.001 < 6.1.0
Search vendor "Microsoft" for product "Windows Server 2008 R2 Service Pack 1" and version " >= 1.001 < 6.1.0"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2008 R2 Service Pack 1 (Server Core Installation)
Search vendor "Microsoft" for product "Windows Server 2008 R2 Service Pack 1 (Server Core Installation)"
>= 6.0.0.0 < 6.1.7601.27415
Search vendor "Microsoft" for product "Windows Server 2008 R2 Service Pack 1 (Server Core Installation)" and version " >= 6.0.0.0 < 6.1.7601.27415"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2008 R2 Service Pack 1 (Server Core Installation)
Search vendor "Microsoft" for product "Windows Server 2008 R2 Service Pack 1 (Server Core Installation)"
>= 1.001 < 6.0.0
Search vendor "Microsoft" for product "Windows Server 2008 R2 Service Pack 1 (Server Core Installation)" and version " >= 1.001 < 6.0.0"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2012
Search vendor "Microsoft" for product "Windows Server 2012"
>= 6.2.0.0 < 6.2.9200.25165
Search vendor "Microsoft" for product "Windows Server 2012" and version " >= 6.2.0.0 < 6.2.9200.25165"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2012 (Server Core Installation)
Search vendor "Microsoft" for product "Windows Server 2012 (Server Core Installation)"
>= 6.2.0.0 < 6.2.9200.25165
Search vendor "Microsoft" for product "Windows Server 2012 (Server Core Installation)" and version " >= 6.2.0.0 < 6.2.9200.25165"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2012 R2
Search vendor "Microsoft" for product "Windows Server 2012 R2"
>= 6.3.0.0 < 6.3.9600.22267
Search vendor "Microsoft" for product "Windows Server 2012 R2" and version " >= 6.3.0.0 < 6.3.9600.22267"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2012 R2
Search vendor "Microsoft" for product "Windows Server 2012 R2"
>= 1.001 < 6.3.0
Search vendor "Microsoft" for product "Windows Server 2012 R2" and version " >= 1.001 < 6.3.0"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2012 R2 (Server Core Installation)
Search vendor "Microsoft" for product "Windows Server 2012 R2 (Server Core Installation)"
>= 6.3.0.0 < 6.3.9600.22267
Search vendor "Microsoft" for product "Windows Server 2012 R2 (Server Core Installation)" and version " >= 6.3.0.0 < 6.3.9600.22267"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2012 R2 (Server Core Installation)
Search vendor "Microsoft" for product "Windows Server 2012 R2 (Server Core Installation)"
>= 1.001 < 6.3.0
Search vendor "Microsoft" for product "Windows Server 2012 R2 (Server Core Installation)" and version " >= 1.001 < 6.3.0"
en
Affected