CVE-2024-43451 — Microsoft Windows NTLMv2 Hash Disclosure Spoofing Vulnerability
CVE-2024-43451: Microsoft Windows NTLMv2 Hash Disclosure Spoofing Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Microsoft |
| Product | Windows |
| Date added | 2024-11-12 |
| Due date | 2024-12-03 |
| Ransomware campaign use | Unknown |
Description
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.
Required action (CISA)
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Notes
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43451 ; https://nvd.nist.gov/vuln/detail/CVE-2024-43451
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-43451
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog