CVEvulnerability

CVE-2017-18906

8.1 HIGH Published 2020-06-19 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-06-19
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS 2.0 ([email protected])
4.9 MEDIUM — AV:N/AC:M/Au:S/C:P/I:P/A:N
Weaknesses
CWE-287

Description

An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2, when Single Sign-On OAuth2 is used. An attacker could claim somebody else's account.

Affected configurations

• mattermost mattermost server (< 3.9.2) • mattermost mattermost server (>= 3.10.0 < 3.10.2)

Related

Weakness · CWE (1)

  • CWE-287 Improper Authentication weakness

References