What is CVE-2017-18886?

CVE-2017-18886 is a high-severity vulnerability in Mattermost Server, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 8.8/10. Published 2020-06-19.

How severe is CVE-2017-18886?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Mattermost Server

CVE-2017-18886

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows a bypass of restrictions on use of slash commands.

EPSS: 0.009 (57.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Mattermost Mattermost_server — versions 4.3.0
N/a — versions n/a

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2017-18886?: CVE-2017-18886 is a high-severity vulnerability in Mattermost Server, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 8.8/10. Published 2020-06-19.
How severe is CVE-2017-18886?: High severity. CVSS v3 base score is 8.8 out of 10.