Path Traversal in Mattermost Server

CVE-2017-18874

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used. A System Admin can achieve directory traversal.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.012 (65.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-18874?
CVE-2017-18874 is a medium-severity vulnerability in Mattermost Server, classified under Path Traversal. CVSS score: 6.5/10. Published 2020-06-19.
How severe is CVE-2017-18874?
Medium severity. CVSS v3 base score is 6.5 out of 10.