PT-2019-3545 · Microsoft · Windows

Published 2019-10-08 · Updated 2021-07-21 · CVE-2019-1338

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions Microsoft Windows (affected versions not specified)

Description A security feature bypass issue exists in the implementation of the NTLMv2 network protocol in Microsoft Windows, related to bypassing a security function. This can allow a remote attacker to perform a man-in-the-middle attack by sending LMv2 responses.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Inadequate Encryption Strength

Weakness Enumeration

CWE-326

Related Identifiers

BDU:2019-03722

CVE-2019-1338

Affected Products

Windows

References · 8

• https://bdu.fstec.ru/vul/2019-03722 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1338 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-1338 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1338 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2019-1338 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-1338 · Vendor Advisory
• https://t.me/hybgl/706 · Telegram Post
• https://t.me/cybersecuritytechnologies/797 · Telegram Post