Vulnerability in Mattermost Server

CVE-2020-14458

An issue was discovered in Mattermost Server before 5.19.0. Attackers can discover private channels via the "get channel by name" API, aka MMSA-2020-0004.

EPSS: 0.011 (63.4th percentile) — read the EPSS interpretation.

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.

Affected products

References

Frequently asked questions

What is CVE-2020-14458?
CVE-2020-14458 is a high-severity vulnerability in Mattermost Server. CVSS score: 7.5/10. Published 2020-06-19.
How severe is CVE-2020-14458?
High severity. CVSS v3 base score is 7.5 out of 10.