What is CVE-2020-10116?

CVE-2020-10116 is a medium-severity vulnerability in Cpanel, classified under Missing Authorization. CVSS score: 5.3/10. Published 2020-03-17.

How severe is CVE-2020-10116?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Cpanel

CVE-2020-10116

cPanel before 84.0.20 allows attackers to bypass intended restrictions on features and demo accounts via WebDisk UAPI calls (SEC-541).

Vulnerability class: Broken Access Control

Published 2020-03-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (56.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Cpanel

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

documentation.cpanel.net/display/CL/84+Change+Log (Vendor Advisory)

Frequently asked questions

What is CVE-2020-10116?: CVE-2020-10116 is a medium-severity vulnerability in Cpanel, classified under Missing Authorization. CVSS score: 5.3/10. Published 2020-03-17.
How severe is CVE-2020-10116?: Medium severity. CVSS v3 base score is 5.3 out of 10.