Vulnerability Database

299,759

Total vulnerabilities in the database

CVE-2017-18909

An issue was discovered in Mattermost Server before 3.9.0 when SAML is used. Encryption and signature verification are not mandatory.

  • Published: Jun 19, 2020
  • Updated: Nov 9, 2025
  • CVE: CVE-2017-18909
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v2:

  • Severity: Low
  • Score: 4.3
  • AV:N/AC:M/Au:N/C:P/I:N/A:N

CWEs:

OWASP TOP 10:

Software From Fixed in
mattermost / mattermost_server - 3.9.0