CVE-2018-20911 Code injection in n/a
An attacker can execute arbitrary code on cPanel servers due to unsafe Perl include paths during syntax checks.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-20911?
CVE-2018-20911 is a high-severity code injection vulnerability in Cpanel Cpanel, published on 1 Aug 2019. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
cPanel before 70.0.23 allows code execution because "." is in @INC during a Perl syntax check of cpaddonsup (SEC-359).
Weakness: CWE-79
Which versions are affected by CVE-2018-20911?
It affects 1 product.
Products include Cpanel Cpanel.
How do I fix CVE-2018-20911?
No fix has been published for CVE-2018-20911 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2018-20911 being exploited?
There is no known exploitation of CVE-2018-20911 in the wild and no public exploit code.
Other vulnerabilities in Cpanel Cpanel
- CVE-2026-41940 WebPros cPanel & WHM and WP2 (WordPress Squared) Missing Authentication for Critical Function
- CVE-2003-1425 guestbook.cgi in cPanel 5.0 allows remote attackers to execute arbitrary commands via the template parameter.
- CVE-2004-1769 Code injection in n/a
- CVE-2004-1770 Command injection in n/a
- CVE-2020-26098 Command injection in n/a
Sources
Also known as GHSA-x7h3-m42w-6h68.