What’s Vulnerable › Vulnerabilities

CVE-2017-18465

Severity: medium (CVSS 4.4 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: 2019-08-05 · updated 2026-06-17
Weakness: CWE-20

Description

cPanel before 62.0.17 does not have a sufficient list of reserved usernames (SEC-227).

Affected products

WebPros cPanel: from 55.9999.61 before 56.0.46; from 57.9999.48 before 58.0.45; from 59.9999.58 before 60.0.39; from 61.9999.55 before 62.0.17 — fixed in 56.0.46, 58.0.45, 60.0.39, 62.0.17

How to fix

Upgrade to a fixed version: WebPros cPanel 56.0.46, 58.0.45, 60.0.39, 62.0.17. Check the vendor advisory for mitigations.

References

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