CVE-2020-5945 : What You Need to Know

In BIG-IP versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.1.0-14.1.2.7, an undisclosed TMUI page contains a stored cross-site scripting vulnerability (XSS) that allows for privilege escalation.

Understanding CVE-2020-5945

This CVE involves a stored XSS vulnerability in certain versions of BIG-IP, potentially leading to privilege escalation.

What is CVE-2020-5945?

CVE-2020-5945 is a security vulnerability found in BIG-IP versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.1.0-14.1.2.7, where an undisclosed TMUI page is susceptible to stored XSS attacks.

The Impact of CVE-2020-5945

The vulnerability allows a resource admin to escalate from minor to full admin privileges, posing a risk of unauthorized access and control.

Technical Details of CVE-2020-5945

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability lies in an undisclosed TMUI page in affected BIG-IP versions, enabling stored cross-site scripting attacks.

Affected Systems and Versions

BIG-IP versions 16.0.0-16.0.0.1
BIG-IP versions 15.1.0-15.1.0.5
BIG-IP versions 14.1.0-14.1.2.7

Exploitation Mechanism

The issue arises from inadequate input validation on the TMUI page, allowing malicious scripts to be stored and executed.

Mitigation and Prevention

To address CVE-2020-5945, follow these mitigation and prevention strategies.

Immediate Steps to Take

Apply vendor-supplied patches promptly.
Monitor network traffic for signs of exploitation.
Restrict access to TMUI to authorized personnel only.

Long-Term Security Practices

Regularly update and patch BIG-IP systems.
Conduct security training to educate users on identifying and reporting suspicious activities.

Patching and Updates

Ensure timely installation of security patches and updates provided by the vendor to mitigate the vulnerability.