What is CVE-2019-20886?

CVE-2019-20886 is a high-severity vulnerability in Mattermost Server, classified under Improper Privilege Management. CVSS score: 7.5/10. Published 2020-06-19.

How severe is CVE-2019-20886?

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

Privilege escalation in Mattermost Server

CVE-2019-20886

An issue was discovered in Mattermost Server before 5.8.0. The first user is sometimes inadvertently a system admin.

Vulnerability class: Privilege Escalation

EPSS: 0.009 (55.8th 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-269 — Improper Privilege Management

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2019-20886?: CVE-2019-20886 is a high-severity vulnerability in Mattermost Server, classified under Improper Privilege Management. CVSS score: 7.5/10. Published 2020-06-19.
How severe is CVE-2019-20886?: High severity. CVSS v3 base score is 7.5 out of 10.