What is CVE-2020-14459?

CVE-2020-14459 is a high-severity vulnerability in Mattermost Server, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2020-06-19.

How severe is CVE-2020-14459?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Mattermost Server

CVE-2020-14459

An issue was discovered in Mattermost Server before 5.19.0. Attackers can rename a channel and cause a collision with a direct message, aka MMSA-2020-0002.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.009 (57.3th 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:N/I:H/A:N.

Affected products

Mattermost Mattermost_server
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2020-14459?: CVE-2020-14459 is a high-severity vulnerability in Mattermost Server, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2020-06-19.
How severe is CVE-2020-14459?: High severity. CVSS v3 base score is 7.5 out of 10.