What’s Vulnerable › Vulnerabilities

CVE-2016-10820

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-08-01 · updated 2026-06-17
• Weakness: CWE-284

Description

cPanel before 55.9999.141 allows daemons to access their controlling TTYs (SEC-31).

Affected products

• WebPros cPanel: from 11.50.0.4 before 11.50.5.2; from 11.52.0.5 before 11.52.4.1; from 11.54.0.0. (excl.) before 11.54.0.20 — fixed in 11.50.5.2, 11.52.4.1, 11.54.0.20

How to fix

Upgrade to a fixed version: WebPros cPanel 11.50.5.2, 11.52.4.1, 11.54.0.20. Check the vendor advisory for mitigations.

References

• https://documentation.cpanel.net/display/CL/56+Change+Log
• https://forums.cpanel.net/threads/cpanel-tsr-2016-0002-full-disclosure.534481/
• https://documentation.cpanel.net/display/CL/56+Change+Log

Get alerted when CVE-2016-10820 or the next vulnerability affects your stack