CVE-2020-15420 : What You Need to Know
Learn about CVE-2020-15420, a critical vulnerability in CentOS Web Panel allowing remote code execution without authentication. Find mitigation steps and preventive measures here.
A critical vulnerability in CentOS Web Panel allows remote attackers to execute arbitrary code without authentication.
Understanding CVE-2020-15420
This CVE involves a flaw in CentOS Web Panel that enables attackers to run malicious code remotely.
What is CVE-2020-15420?
The vulnerability in CentOS Web Panel cwp-el7-0.9.8.891 permits the execution of arbitrary code without requiring authentication. The issue lies in the improper validation of user-supplied input in loader_ajax.php.
The Impact of CVE-2020-15420
The vulnerability has a CVSS base score of 9.8, indicating a critical severity level with high impacts on confidentiality, integrity, and availability of affected systems.
Technical Details of CVE-2020-15420
This section delves into the specifics of the vulnerability.
Vulnerability Description
The flaw allows attackers to execute system calls with user-controlled input, potentially leading to arbitrary code execution as root.
Affected Systems and Versions
- Product: CentOS Web Panel
- Version: cwp-el7-0.9.8.891
Exploitation Mechanism
The vulnerability arises from the lack of proper validation of user-supplied data in the 'line' parameter of loader_ajax.php.
Mitigation and Prevention
Protecting systems from CVE-2020-15420 is crucial to prevent unauthorized code execution.
Immediate Steps to Take
- Apply security patches promptly to address the vulnerability.
- Monitor for any unusual system behavior that could indicate exploitation.
Long-Term Security Practices
- Implement strict input validation mechanisms to prevent command injections.
- Regularly update and patch software to mitigate potential security risks.
Patching and Updates
Ensure that the affected CentOS Web Panel version cwp-el7-0.9.8.891 is updated with the latest security patches to eliminate the vulnerability.