What’s Vulnerable › Vulnerabilities

CVE-2017-18421

Severity: low (CVSS 3.3 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% 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-284

Description

cPanel before 66.0.2 allows demo accounts to create databases and users (SEC-271).

Affected products

WebPros cPanel: from 60.0.3 before 60.0.45; from 62.0.1 before 62.0.27; from 64.0.0 before 64.0.33; from 66.0.1 before 66.0.2 — fixed in 60.0.45, 62.0.27, 64.0.33, 66.0.2

How to fix

Upgrade to a fixed version: WebPros cPanel 60.0.45, 62.0.27, 64.0.33, 66.0.2. Check the vendor advisory for mitigations.

References

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