What is CVE-2017-18909?

CVE-2017-18909 is a high-severity vulnerability in Mattermost Server, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2020-06-19.

How severe is CVE-2017-18909?

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

Vulnerability in Mattermost Server

CVE-2017-18909

An issue was discovered in Mattermost Server before 3.9.0 when SAML is used. Encryption and signature verification are not mandatory.

Vulnerability class: Improper Certificate Validation

EPSS: 0.007 (47.7th 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:H/I:N/A:N.

Affected products

Mattermost Mattermost_server
N/a — versions n/a

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2017-18909?: CVE-2017-18909 is a high-severity vulnerability in Mattermost Server, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2020-06-19.
How severe is CVE-2017-18909?: High severity. CVSS v3 base score is 7.5 out of 10.