PT-2019-18062 · Microsoft · Windows

Felix Wallaschek + 1 · Published 2019-02-25 · Updated 2019-02-28 · CVE-2019-6266

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Microsoft Windows client versions prior to 6.2.1.0

Description The issue concerns insecure SSL certificate verification and insecure access patterns, allowing remote attackers to downgrade encrypted connections to cleartext.

Recommendations For versions prior to 6.2.1.0, update to version 6.2.1.0 or later to resolve the issue.

Fix

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

CVE-2019-6266

Affected Products

Windows

References · 3

• https://osv.dev/vulnerability/CVE-2019-6266 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-6266 · Security Note
• https://detack.de/en/cve-2019-6265-6266 · Note