CVE-2017-18407: cPanel

Medium severity, CVSS 4.8. EPSS: 0.4% chance of exploitation in the next 30 days.

cPanel before 67.9999.103 does not enforce SSL hostname verification for the support-agreement download (SEC-279).

Affected products

• cPanel cPanel: from 59.9999.58, before 60.0.48 (fixed in 60.0.48); from 61.9999.55, before 62.0.30 (fixed in 62.0.30); from 63.9999.74, before 64.0.40 (fixed in 64.0.40); from 65.9999.38, before 66.0.23 (fixed in 66.0.23); from 67.9999.64, before 67.9999.103 (fixed in 67.9999.103)

Published 2019-08-02. Last modified 2026-06-17.