What is CVE-2017-18884?

CVE-2017-18884 is a high-severity vulnerability in Mattermost Server, classified under Improper Privilege Management. CVSS score: 8.1/10. Published 2020-06-19.

How severe is CVE-2017-18884?

High severity. CVSS v3 base score is 8.1 out of 10.

Privilege escalation in Mattermost Server

CVE-2017-18884

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows attackers to gain privileges by using a registered OAuth application with personal access tokens.

Vulnerability class: Privilege Escalation

EPSS: 0.008 (53.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Mattermost Mattermost_server — versions 4.3.0
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-2017-18884?: CVE-2017-18884 is a high-severity vulnerability in Mattermost Server, classified under Improper Privilege Management. CVSS score: 8.1/10. Published 2020-06-19.
How severe is CVE-2017-18884?: High severity. CVSS v3 base score is 8.1 out of 10.