CVE-2017-18906

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CVSS 3.1

8.1 high

EPSS

<1%p54

Published

Jun 19, 2020 (Jun 19, 2020)

Modified

Jun 17, 2026

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.

Vendors: mattermost
Products: mattermost server
Weakness: CWE-287
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.8%)

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