CVE-2019-1338

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'.

Score

CVSS 3.1 5.9 Medium

Status

Modified - secure@microsoft.com

Published

2019-10-10

Last modified

2024-08-04

Affected products

• Windows (Microsoft)
• Windows 7 (Microsoft)
• Windows Server (Microsoft)
• Windows Server 2008 (Microsoft)

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1338