What is CVE-2017-18873?

CVE-2017-18873 is a medium-severity vulnerability in Mattermost Server, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2020-06-19.

How severe is CVE-2017-18873?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Improper input validation in Mattermost Server

CVE-2017-18873

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows attackers to cause a denial of service (channel invisibility) via a misformatted post.

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

EPSS: 0.011 (62.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Mattermost Mattermost_server — versions 4.3.0
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-2017-18873?: CVE-2017-18873 is a medium-severity vulnerability in Mattermost Server, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2020-06-19.
How severe is CVE-2017-18873?: Medium severity. CVSS v3 base score is 5.3 out of 10.