CVEvulnerability

CVE-2025-27936

5.9 MEDIUM Published 2025-04-16 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2025-04-16
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 3.1 ([email protected])
5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weaknesses
CWE-208

Description

Mattermost Plugin MSTeams versions <2.1.0 and Mattermost Server versions 10.5.x <=10.5.1 with the MS Teams plugin enabled fail to perform constant time comparison on a MSTeams plugin webhook secret which allows an attacker to retrieve the webhook secret of the MSTeams plugin via a timing attack during webhook secret comparison.

Affected configurations

• mattermost mattermost server (< 10.5.2) • mattermost ms teams (< 2.1.0)

Related

Weakness · CWE (1)

  • CWE-208 Observable Timing Discrepancy weakness

References