CVE-2020-2036 Explained : Impact and Mitigation
Learn about CVE-2020-2036, a high-severity reflected cross-site scripting (XSS) vulnerability in PAN-OS. Find out the impacted systems, exploitation details, and mitigation steps.
A reflected cross-site scripting (XSS) vulnerability in the PAN-OS management web interface allows remote attackers to execute arbitrary JavaScript code.
Understanding CVE-2020-2036
This CVE involves a security issue in Palo Alto Networks' PAN-OS software.
What is CVE-2020-2036?
A reflected cross-site scripting (XSS) vulnerability in the PAN-OS management web interface enables attackers to potentially execute malicious code in an administrator's browser.
The Impact of CVE-2020-2036
- CVSS Base Score: 8.8 (High Severity)
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: Required
- Confidentiality, Integrity, and Availability Impact: High
Technical Details of CVE-2020-2036
This section covers specific technical aspects of the vulnerability.
Vulnerability Description
The vulnerability allows attackers to execute arbitrary JavaScript code in an administrator's browser through a crafted link in the management web interface.
Affected Systems and Versions
- PAN-OS 8.1 versions earlier than 8.1.16
- PAN-OS 9.0 versions earlier than 9.0.9
Exploitation Mechanism
- Attackers need to convince an authenticated administrator to click on a malicious link, triggering the execution of JavaScript code.
Mitigation and Prevention
Protective measures and actions to address the CVE.
Immediate Steps to Take
- Administrators should avoid clicking on links from untrusted sources in the management web interface.
Long-Term Security Practices
- Follow best practices for securing the PAN-OS management web interface.
Patching and Updates
- Update to PAN-OS 8.1.16, 9.0.9, or later versions to mitigate the vulnerability.