CVE-2018-20947 Path traversal in n/a
An attacker can perform unauthorized file-write operations via the telnetcrt script in cPanel, potentially modifying system files.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-20947?
CVE-2018-20947 is a medium-severity path traversal vulnerability in Cpanel Cpanel, published on 1 Aug 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
cPanel before 68.0.27 allows certain file-write operations via the telnetcrt script (SEC-356).
Weakness: CWE-668
Which versions are affected by CVE-2018-20947?
It affects 1 product.
Products include Cpanel Cpanel.
How do I fix CVE-2018-20947?
No fix has been published for CVE-2018-20947 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2018-20947 being exploited?
There is no known exploitation of CVE-2018-20947 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-376q-348x-jww4.