What’s Vulnerable › Vulnerabilities

CVE-2017-18407

• Severity: medium (CVSS 4.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-08-02 · updated 2026-06-17
• Weakness: CWE-347

Description

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

Affected products

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

How to fix

Upgrade to a fixed version: WebPros cPanel 60.0.48, 62.0.30, 64.0.40, 66.0.23. Check the vendor advisory for mitigations.

References

• https://documentation.cpanel.net/display/CL/68+Change+Log
• https://news.cpanel.com/cpanel-tsr-2017-0005-full-disclosure/
• https://documentation.cpanel.net/display/CL/68+Change+Log

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