CVE-2020-2022 : Vulnerability Insights and Analysis

An information exposure vulnerability in Palo Alto Networks Panorama software allows unauthorized access to the Panorama web interface. This CVE affects PAN-OS versions 8.1.17 and earlier, 9.0.11 and earlier, and 9.1.5 and earlier.

Understanding CVE-2020-2022

This CVE discloses the token for the Panorama web interface administrator's session to a managed device during a context switch, potentially granting attackers privileged access.

What is CVE-2020-2022?

This vulnerability in Palo Alto Networks Panorama software exposes the Panorama web interface administrator's session token to a managed device, enabling unauthorized access.

The Impact of CVE-2020-2022

CVSS Score: 7.5 (High)
Attack Vector: Network
Attack Complexity: High
Privileges Required: None
User Interaction: Required
Confidentiality, Integrity, and Availability Impact: High

Technical Details of CVE-2020-2022

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows attackers to gain privileged access to the Panorama web interface by disclosing the administrator's session token during a context switch to a managed device.

Affected Systems and Versions

PAN-OS 8.1 versions earlier than 8.1.17
PAN-OS 9.0 versions earlier than 9.0.11
PAN-OS 9.1 versions earlier than 9.1.5

Exploitation Mechanism

Attackers with knowledge of managed firewalls can exploit this issue.

Mitigation and Prevention

Protect your systems from CVE-2020-2022 with the following steps:

Immediate Steps to Take

Enable custom certificate authentication between Panorama and managed firewalls.

Long-Term Security Practices

Follow best practices for securing the management web interface.

Patching and Updates

Update to PAN-OS 8.1.17, 9.0.11, 9.1.5, or later versions to fix this vulnerability.