CVE-2022-20828 : Security Advisory and Response

A vulnerability has been identified in the CLI parser of Cisco FirePOWER Software for Adaptive Security Appliance (ASA) FirePOWER module, allowing a remote attacker to execute arbitrary commands as the root user on the underlying operating system.

Understanding CVE-2022-20828

This CVE involves a command injection vulnerability in the Cisco FirePOWER Software for ASA FirePOWER Module.

What is CVE-2022-20828?

The vulnerability arises due to improper handling of undefined command parameters, enabling an authenticated attacker to execute arbitrary commands on the affected ASA FirePOWER module.

The Impact of CVE-2022-20828

Exploiting this vulnerability could lead to remote code execution on the system hosting the ASA FirePOWER module, potentially resulting in unauthorized access or sensitive data exposure.

Technical Details of CVE-2022-20828

This section provides specific technical details about the vulnerability.

Vulnerability Description

The vulnerability allows an authenticated remote attacker to execute arbitrary commands on the underlying operating system of an affected ASA FirePOWER module.

Affected Systems and Versions

The vulnerability affects Cisco FirePOWER Services Software for ASA with the specified versions.

Exploitation Mechanism

Attackers can exploit this vulnerability by using crafted commands on the CLI or by submitting crafted HTTPS requests to the web-based management interface of the hosting Cisco ASA.

Mitigation and Prevention

Protecting systems from CVE-2022-20828 involves taking certain security measures.

Immediate Steps to Take

Users are advised to ensure that administrative access to Cisco ASA is restricted to authorized personnel only.

Long-Term Security Practices

Implement network segmentation, regularly monitor for unusual activities, and keep security solutions up to date to prevent potential attacks.

Patching and Updates

Apply security patches provided by Cisco to address the vulnerability and enhance system security.