VULNERABILITY INTELLIGENCE
CVE-2017-18911
CVSS score9.1 CRITICAL
EPSS probability0.67%
CISA KEVNot currently listed
Published2020-06-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Description
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.
Weakness classification
- CWE-295: Improper Certificate Validation
Primary references
- cve@mitre.org — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory