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CVE-2018-20924: cPanel lets attackers read and delete any file

CVE-2018-20924 · published 7 years ago

Summary

Versions of cPanel earlier than 70.0.23 permit a remote user to upload specially crafted files that can cause the system to reveal the contents of any file or remove files entirely. This could let an attacker view sensitive data or disrupt services. Upgrade cPanel to version 70.0.23 or later and verify that only trusted administrators have upload privileges.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software

Vendor	Product	Affected versions
cpanel	cpanel	>= 61.9999.55, < 62.0.42 >= 67.9999.64, < 68.0.33 >= 69.9999.122, < 70.0.23 `cpe:2.3:a:cpanel:cpanel::::::::`

Original advisory text

cPanel before 70.0.23 allows arbitrary file-read and file-unlink operations via WHM style uploads (SEC-378).

References

https://news.cpanel.com/cpanel-tsr-2018-0002-full-disclosure/ Vendor Advisory
https://documentation.cpanel.net/display/CL/70+Change+Log Release Notes Vendor Advisory

Fix within

Internet-facing 60 days

Internal At next upgrade

Not known to be exploited
Needs hands-on effort to exploit (estimated)
Gives an attacker partial control (estimated)

Severity

5.5 Medium

Exploitation

<1% chance of attack within 30 days

Type

CWE-287Improper Authentication

Timeline

Published1 Aug 2019

Updated31 Oct 2026

First seen29 Sep 2026

Sources

CVE-2018-20924 · NVD

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