CVE-2017-18421 Missing authorization in n/a
Demo accounts in cPanel can improperly create databases and users, allowing unauthorized privilege escalation and data modification.
- 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-2017-18421?
CVE-2017-18421 is a low-severity missing authorization vulnerability in Cpanel Cpanel, published on 2 Aug 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
cPanel before 66.0.2 allows demo accounts to create databases and users (SEC-271).
Weakness: CWE-284
Which versions are affected by CVE-2017-18421?
It affects 1 product.
Products include Cpanel Cpanel.
How do I fix CVE-2017-18421?
No fix has been published for CVE-2017-18421 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2017-18421 being exploited?
There is no known exploitation of CVE-2017-18421 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-c2hv-g33p-vqmj.