CVE-2020-14458
7.5
HIGH
CVSS 3.1
EPSS 0.32%
Description
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.
How to fix CVE-2020-14458
To remediate CVE-2020-14458, upgrade the affected package to a fixed version below.
- Bitnami/mattermost—upgrade to 5.19.0 or later
Is CVE-2020-14458 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 5.19.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |