PT-2020-8421 · Mattermost · Mattermost Server
CVE-2017-18875
·
Published
2020-06-19
·
Updated
2026-07-30
CVSS v4.0
5.3
Medium
| Vector | AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N |
Name of the Vulnerable Software and Affected Versions:
Mattermost Server versions prior to 4.3.0
Mattermost Server version 4.2.1
Mattermost Server version 4.1.2
Description:
An issue was discovered in Mattermost Server when local storage for files is used, allowing a System Admin to create arbitrary files.
Recommendations:
For Mattermost Server versions prior to 4.3.0, update to version 4.3.0 or later.
For Mattermost Server version 4.2.1, update to version 4.3.0 or later.
For Mattermost Server version 4.1.2, update to version 4.3.0 or later.
Fix
DoS
Incorrect Permission
Path traversal
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Related Identifiers
Affected Products
Mattermost Server