CVE-2019-20863

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

An issue was discovered in Mattermost Server before 5.13.0. Incoming webhook creation is not properly restricted.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected software

No affected versions have been published.

Timeline

Published
Jun 19, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2019

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CVE-2019-20863: High severity, CVSS 7.5 | Vulnix