CVEvulnerability

CVE-2017-18883

9.1 CRITICAL 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])
9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS 2.0 ([email protected])
6.4 MEDIUM — AV:N/AC:L/Au:N/C:P/I:P/A:N
Weaknesses
CWE-331

Description

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2, when serving as an OAuth 2.0 Service Provider. There is low entropy for authorization data.

Affected configurations

• mattermost mattermost server (< 4.1.2) • mattermost mattermost server (>= 4.2.0 < 4.2.1) • mattermost mattermost server 4.3.0

Related

Weakness · CWE (1)

  • CWE-331 Insufficient Entropy weakness

References