CVE-2021-3045 : What You Need to Know

An OS command argument injection vulnerability in the Palo Alto Networks PAN-OS web interface allows an authenticated administrator to read any arbitrary file. This vulnerability impacts PAN-OS 8.1 versions before 8.1.19, PAN-OS 9.0 versions before 9.0.14, and PAN-OS 9.1 versions before 9.1.10. PAN-OS 10.0 and later versions are not affected.

Understanding CVE-2021-3045

This section will cover the details related to the CVE-2021-3045 vulnerability.

What is CVE-2021-3045?

CVE-2021-3045 is an OS command argument injection vulnerability in the Palo Alto Networks PAN-OS web interface.

The Impact of CVE-2021-3045

The vulnerability allows authenticated administrators to read any file from the file system, potentially exposing sensitive information.

Technical Details of CVE-2021-3045

This section will delve into the technical aspects of the CVE-2021-3045 vulnerability.

Vulnerability Description

The vulnerability enables authenticated administrators to execute OS commands and access arbitrary files on the system.

Affected Systems and Versions

PAN-OS 8.1 versions prior to 8.1.19, PAN-OS 9.0 versions before 9.0.14, and PAN-OS 9.1 versions before 9.1.10 are impacted.

Exploitation Mechanism

Attackers with authenticated access to the PAN-OS web interface can exploit this vulnerability to read unauthorized files.

Mitigation and Prevention

In this section, we will discuss ways to mitigate and prevent exploitation of CVE-2021-3045.

Immediate Steps to Take

Review and follow best practices for securing the PAN-OS web interface to reduce the risk of exploitation.

Long-Term Security Practices

Regularly update and patch the PAN-OS to the latest versions to ensure that known vulnerabilities are addressed.

Patching and Updates

Install the fixes provided in PAN-OS 8.1.19, 9.0.14, 9.1.10, or later versions to remediate CVE-2021-3045.