CSRF in Mattermost Mattermost_server

CVE-2017-18903

An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2. CSRF can occur if CORS is enabled.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.004 (34.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-18903?
CVE-2017-18903 is a high-severity vulnerability in Mattermost Mattermost_server, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2020-06-19.
How severe is CVE-2017-18903?
High severity. CVSS v3 base score is 8.8 out of 10.