CVE-2020-15426 Explained : Impact and Mitigation

A vulnerability in CentOS Web Panel allows remote attackers to execute arbitrary code without authentication, posing a critical threat.

Understanding CVE-2020-15426

This CVE identifies a critical vulnerability in CentOS Web Panel that enables remote code execution without authentication.

What is CVE-2020-15426?

This vulnerability in CentOS Web Panel's cwp-e17.0.9.8.923 version allows attackers to execute arbitrary code by exploiting a flaw in ajax_migration_cpanel.php.

The Impact of CVE-2020-15426

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-2020-15426

This section delves into the technical aspects of the CVE.

Vulnerability Description

The flaw arises from improper validation of user-supplied input in the serverip parameter, leading to the execution of system calls by attackers.

Affected Systems and Versions

Product: CentOS Web Panel
Version: cwp-e17.0.9.8.923

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: None
User Interaction: None
Scope: Unchanged
Exploitation can result in the execution of arbitrary code in the context of root.

Mitigation and Prevention

Protecting systems from CVE-2020-15426 is crucial to prevent unauthorized code execution.

Immediate Steps to Take

Apply security patches promptly.
Monitor for any suspicious activities on the network.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Conduct regular security assessments and audits.
Educate users on safe computing practices.
Employ intrusion detection and prevention systems.

Patching and Updates

Update CentOS Web Panel to a patched version to mitigate the vulnerability.