CVE-2023-48791 Explained : Impact and Mitigation

This article provides detailed information about CVE-2023-48791, including its impact, technical details, mitigation steps, and more.

Understanding CVE-2023-48791

CVE-2023-48791 is a vulnerability found in FortiPortal versions 7.2.0 and below, allowing a remote authenticated attacker to execute unauthorized commands through specially crafted arguments.

What is CVE-2023-48791?

The vulnerability (CWE-77) involves an improper neutralization of special elements in a command, leading to command injection in FortiPortal versions 7.2.0 and 7.0.6 and below.

The Impact of CVE-2023-48791

With a high CVSS base score of 7.9, this vulnerability can result in the execution of unauthorized commands by a remote authenticated attacker with certain permissions.

Technical Details of CVE-2023-48791

The following technical details outline the vulnerability:

Vulnerability Description

An improper neutralization of special elements in a command allows a remote authenticated attacker to execute unauthorized commands through specially crafted arguments.

Affected Systems and Versions

FortiPortal versions 7.2.0, 7.0.6, and below are affected by this vulnerability.

Exploitation Mechanism

A remote authenticated attacker with at least read/write permissions can exploit this vulnerability by injecting unauthorized commands via the Schedule System Backup page field.

Mitigation and Prevention

To secure your system from CVE-2023-48791, consider the following mitigation steps:

Immediate Steps to Take

Upgrade to FortiPortal version 7.2.1 or above
Upgrade to FortiPortal version 7.0.7 or above

Long-Term Security Practices

Implement strict access controls, monitor system activity, and regularly update your FortiPortal installation to prevent potential attacks.

Patching and Updates

Stay informed about security patches and updates provided by Fortinet to address known vulnerabilities.