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.
References
History

Wed, 16 Apr 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 16 Apr 2025 09:30:00 +0000

Type Values Removed Values Added
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.
Title Webhook Secret Exposure via Timing attack in MSteams plugin
Weaknesses CWE-208
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published:

Updated: 2025-04-16T14:32:45.176Z

Reserved: 2025-04-08T11:14:14.689Z

Link: CVE-2025-27936

cve-icon Vulnrichment

Updated: 2025-04-16T14:22:49.604Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-04-16T10:15:14.797

Modified: 2025-04-16T13:25:37.340

Link: CVE-2025-27936

cve-icon Redhat

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