Vulnerability Database

315,050

Total vulnerabilities in the database

CVE-2019-20851

An issue was discovered in Mattermost Mobile Apps before 1.26.0. An attacker can use directory traversal with the Video Preview feature to overwrite arbitrary files on a device.

  • Published: Jun 19, 2020
  • Updated: Nov 9, 2025
  • CVE: CVE-2019-20851
  • Severity: Critical
  • Exploit:

CVSS v3:

  • Severity: Critical
  • Score: 9.1
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

CVSS v2:

  • Severity: Medium
  • Score: 6.4
  • AV:N/AC:L/Au:N/C:N/I:P/A:P

CWEs:

OWASP TOP 10:

Software From Fixed in
mattermost / mattermost - 1.26.0