CVE-2020-5927 : Vulnerability Insights and Analysis

A Stored-Cross Site Scripting vulnerability in BIG-IP ASM Configuration utility.

Understanding CVE-2020-5927

In versions 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, and 14.1.0-14.1.2.6 of BIG-IP ASM, a Stored-Cross Site Scripting vulnerability exists.

What is CVE-2020-5927?

This CVE refers to a Stored-Cross Site Scripting vulnerability found in the BIG-IP ASM Configuration utility.

The Impact of CVE-2020-5927

Attackers can execute malicious scripts in the context of a victim's session.
Sensitive data can be compromised, leading to potential account takeover or unauthorized actions.

Technical Details of CVE-2020-5927

Vulnerability Description

The vulnerability allows attackers to store malicious scripts that are executed when a user accesses the affected utility.

Affected Systems and Versions

BIG-IP ASM versions 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, and 14.1.0-14.1.2.6 are impacted.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the configuration utility, which are then executed when accessed by users.

Mitigation and Prevention

Immediate Steps to Take

Apply patches provided by the vendor to mitigate the vulnerability.
Monitor and restrict access to the affected utility to authorized personnel only.

Long-Term Security Practices

Regularly update and patch software to prevent known vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential security weaknesses.

Patching and Updates

F5 has released patches to address the vulnerability; ensure timely installation of these updates.