CVE-2021-3050 : What You Need to Know

An OS command injection vulnerability in the Palo Alto Networks PAN-OS web interface allows an authenticated administrator to execute arbitrary OS commands, impacting specific versions of PAN-OS.

Understanding CVE-2021-3050

This CVE pertains to an OS command injection vulnerability in the Palo Alto Networks PAN-OS web interface, leading to potential privilege escalation for authenticated administrators.

What is CVE-2021-3050?

CVE-2021-3050 involves an OS command injection flaw in PAN-OS that allows authorized users to run arbitrary OS commands on affected systems.

The Impact of CVE-2021-3050

The vulnerability poses a high-severity risk with a base score of 8.8 according to the CVSS v3.1 metrics. It can result in high impacts on confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2021-3050

This section delves deeper into the specifics of the vulnerability.

Vulnerability Description

The issue affects PAN-OS versions 9.0.10 to 9.0.14, 9.1.4 to 9.1.10, 10.0.7 and earlier, and 10.1.0 to 10.1.1, excluding Prisma Access firewalls and PAN-OS 8.1 versions.

Affected Systems and Versions

Palo Alto Networks PAN-OS versions 9.0.10 to 9.0.14, 9.1.4 to 9.1.10, 10.0.7 and below, and 10.1.0 to 10.1.1 are impacted by this vulnerability.

Exploitation Mechanism

The attack complexity is low, requiring a network attack vector and minimal privileges. Attackers can exploit this issue without user interaction.

Mitigation and Prevention

This segment outlines steps to address and mitigate the CVE-2021-3050 vulnerability.

Immediate Steps to Take

Enabling signatures for Unique Threat ID 91439 can help block attacks against CVE-2021-3050. Additionally, following best practices for securing the PAN-OS web interface is advised.

Long-Term Security Practices

Implementing robust security measures and regular security updates can prevent vulnerabilities like CVE-2021-3050. Stay vigilant and ensure authorized access to system interfaces.

Patching and Updates

Palo Alto Networks plans to address this issue in upcoming PAN-OS versions, starting with 9.0.15, 9.1.11, 10.0.8, and 10.1.2, along with all subsequent releases.