CVE-2019-1338 is a security feature bypass vulnerability in Microsoft Windows 7 and Windows Server 2008 that allows a man-in-the-middle attacker to bypass NTLMv2 protection if the client also sends LMv2 responses. Rated Medium (CVSS 5.9), this vulnerability has a network attack vector and high impact on integrity, but requires high attack complexity. There is no evidence of active exploitation, publicly available exploit code, or inclusion in CISA's KEV catalog, though it has received some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* | ||
r2CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:* | ||
r2CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.