CVE-2019-1338

MEDIUM

Microsoft Windows 7 and Windows Server 2008 - NTLM Security Feature Bypass via LMv2 Response

Title source: llm
STIX 2.1

Description

A security feature bypass vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully bypass the NTLMv2 protection if a client is also sending LMv2 responses, aka 'Windows NTLM Security Feature Bypass Vulnerability'.

References (1)

Core 1
Core References

Scores

CVSS v3 5.9
EPSS 0.0332
EPSS Percentile 87.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Details

Status published
Products (3)
microsoft/windows_7
microsoft/windows_server_2008
microsoft/windows_server_2008 r2 sp1 (2 CPE variants)
Published Oct 10, 2019
Tracked Since Feb 18, 2026