Incorrect permission assignment for critical resource in Mattermost Server - CVE-2017-18870
Published: June 19, 2020 / Updated: August 8, 2020
Vulnerability identifier: #VU34214
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-18870
CWE-ID: CWE-732
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote authenticated user to manipulate data.
An issue was discovered in Mattermost Server before 4.5.0, 4.4.5, and 4.3.4. It mishandled webhook access control in the EnableOnlyAdminIntegrations case.
Affected software
Mattermost Server
How to mitigate CVE-2017-18870
Install update from vendor's website.