TLS-based e-mail server certificate validation bypass vulnerability in Mattermost Server

TLS-based e-mail server certificate validation bypass vulnerability in Mattermost Server

CVE-2017-18911 · CRITICAL Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. The X.509 certificate validation can be skipped for a TLS-based e-mail server.

Learn more about our Cis Benchmark Audit For Server Software.