CVE-2018-21251

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CVSS 3.1

9.8 critical

EPSS

1%p66

Published

Jun 19, 2020 (Jun 19, 2020)

Modified

Jun 17, 2026

Description

An issue was discovered in Mattermost Server before 5.2 and 5.1.1. Authorization could be bypassed if the channel name were not the same in the params and the body.

Vendors: mattermost
Products: mattermost server
Weakness: CWE-862
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.2%)

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