Information disclosure in Mattermost Server

CVE-2017-18895

An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows attackers to obtain sensitive information (user statuses) via a REST API version 4 endpoint.

Vulnerability class: Information Disclosure

EPSS: 0.009 (56.6th 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:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-18895?
CVE-2017-18895 is a medium-severity vulnerability in Mattermost Server, classified under Information Disclosure. CVSS score: 5.3/10. Published 2020-06-19.
How severe is CVE-2017-18895?
Medium severity. CVSS v3 base score is 5.3 out of 10.