CVE-2019-1040

A tampering vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully bypass the NTLM MIC (Message Integrity Check) protection, aka ‘Windows NTLM Tampering Vulnerability’.

Recent assessments:

gwillcox-r7 at October 20, 2020 6:01pm UTC reported:

This is now supposedly being exploited in the wild by Chinese state actors according to this NSA announcement: <https://media.defense.gov/2020/Oct/20/2002519884/-1/-1/0/CSA_CHINESE_EXPLOIT_VULNERABILITIES_UOO179811.PDF&gt;

Assessed Attacker Value: 0
Assessed Attacker Value: 0Assessed Attacker Value: 0