What is CVE-2019-20858?

CVE-2019-20858 is a high-severity vulnerability in Mattermost Server, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2020-06-19.

How severe is CVE-2019-20858?

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

Resource exhaustion in Mattermost Server

CVE-2019-20858

An issue was discovered in Mattermost Server before 5.15.0. It allows attackers to cause a denial of service (CPU consumption) via crafted characters in a SQL LIKE clause to an APIv4 endpoint.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.011 (62.7th 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:N/A:H.

Affected products

Mattermost Mattermost_server
N/a — versions n/a

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2019-20858?: CVE-2019-20858 is a high-severity vulnerability in Mattermost Server, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2020-06-19.
How severe is CVE-2019-20858?: High severity. CVSS v3 base score is 7.5 out of 10.