CVE-2020-28901 Explained : Impact and Mitigation

Command Injection in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation or Code Execution as root via vectors related to corrupt component installation in cmd_subsys.php.

Understanding CVE-2020-28901

Command Injection vulnerability in Nagios Fusion 4.1.8 and earlier can lead to severe consequences such as Privilege Escalation or Code Execution.

What is CVE-2020-28901?

CVE-2020-28901 is a Command Injection vulnerability found in Nagios Fusion versions 4.1.8 and earlier, enabling attackers to execute arbitrary commands with elevated privileges.

The Impact of CVE-2020-28901

This vulnerability allows threat actors to escalate their privileges or execute malicious code as the root user, posing a significant security risk to affected systems.

Technical Details of CVE-2020-28901

Command Injection in Nagios Fusion 4.1.8 and earlier can have severe implications on system security.

Vulnerability Description

The vulnerability arises from corrupt component installation in cmd_subsys.php, enabling attackers to inject and execute arbitrary commands.

Affected Systems and Versions

Systems running Nagios Fusion 4.1.8 and earlier are vulnerable
Exact affected versions include 4.1.8 and prior releases

Exploitation Mechanism

Attackers exploit this vulnerability by manipulating the corrupt component installation in cmd_subsys.php to execute unauthorized commands with root privileges.

Mitigation and Prevention

Taking immediate action and implementing long-term security measures are crucial to mitigate the risks associated with CVE-2020-28901.

Immediate Steps to Take

Update Nagios Fusion to the latest patched version
Monitor system logs for any suspicious activities
Implement strict access controls and least privilege principles

Long-Term Security Practices

Regularly conduct security audits and vulnerability assessments
Educate users on safe computing practices and awareness of social engineering tactics

Patching and Updates

Apply security patches promptly to address known vulnerabilities
Stay informed about security advisories and updates from Nagios Fusion