Vulnerability Database

299,759

Total vulnerabilities in the database

CVE-2019-20890

An issue was discovered in Mattermost Server before 5.7. It allows a bypass of e-mail address discovery restrictions.

  • Published: Jun 19, 2020
  • Updated: Nov 9, 2025
  • CVE: CVE-2019-20890
  • Severity: Low
  • Exploit:

CVSS v3:

  • Severity: Low
  • Score: 4.3
  • AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS v2:

  • Severity: Low
  • Score: 4
  • AV:N/AC:L/Au:S/C:P/I:N/A:N

No CWE or OWASP classifications available.

Software From Fixed in
mattermost / mattermost_server - 5.7.0