CVE-2020-5903 : Security Advisory and Response

In BIG-IP versions 15.0.0-15.1.0.3, 14.1.0-14.1.2.5, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, a Cross-Site Scripting (XSS) vulnerability exists in an undisclosed page of the BIG-IP Configuration utility.

Understanding CVE-2020-5903

This CVE involves a Cross-Site Scripting (XSS) vulnerability in various versions of BIG-IP.

What is CVE-2020-5903?

CVE-2020-5903 is a Cross-Site Scripting (XSS) vulnerability found in multiple versions of the BIG-IP Configuration utility.

The Impact of CVE-2020-5903

The vulnerability could allow an attacker to execute malicious scripts in the context of a user's session, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2020-5903

This section provides more technical insights into the CVE.

Vulnerability Description

The XSS vulnerability in BIG-IP versions 15.0.0-15.1.0.3, 14.1.0-14.1.2.5, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1 allows attackers to inject and execute malicious scripts.

Affected Systems and Versions

Affected Product: BIG-IP
Affected Versions: 15.0.0-15.1.0.3, 14.1.0-14.1.2.5, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into specific pages of the BIG-IP Configuration utility.

Mitigation and Prevention

Protecting systems from CVE-2020-5903 is crucial to maintaining security.

Immediate Steps to Take

Apply patches provided by the vendor promptly.
Monitor network traffic for any suspicious activities.
Restrict access to the BIG-IP Configuration utility.

Long-Term Security Practices

Regularly update and patch software to prevent vulnerabilities.
Conduct security assessments and audits periodically.

Patching and Updates

F5 has released patches to address the XSS vulnerability in the affected versions of BIG-IP.