Vulnerability in Mattermost Server

CVE-2019-20846

An issue was discovered in Mattermost Server before 5.18.0. It has weak permissions for server-local file storage.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.011 (63.9th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-20846: held from 0.011 to 0.011.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-20846?
CVE-2019-20846 is a high-severity vulnerability in Mattermost Server, classified under Improper Preservation of Permissions. CVSS score: 7.5/10. Published 2020-06-19.
How severe is CVE-2019-20846?
High severity. CVSS v3 base score is 7.5 out of 10.