CVE-2020-5922 : Vulnerability Insights and Analysis

In BIG-IP versions 15.0.0-15.1.0.4, 14.1.0-14.1.2.6, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.2, iControl REST does not implement Cross Site Request Forgery protections for users which make use of Basic Authentication in a web browser.

Understanding CVE-2020-5922

This CVE involves a vulnerability in the iControl REST component of BIG-IP.

What is CVE-2020-5922?

CVE-2020-5922 is a CSRF (Cross-Site Request Forgery) vulnerability affecting various versions of BIG-IP, where iControl REST lacks protection against CSRF attacks for users utilizing Basic Authentication in a web browser.

The Impact of CVE-2020-5922

The vulnerability could allow attackers to perform unauthorized actions on behalf of authenticated users, leading to potential data breaches, unauthorized access, and other security risks.

Technical Details of CVE-2020-5922

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The vulnerability lies in the lack of CSRF protection in iControl REST for users using Basic Authentication in web browsers.

Affected Systems and Versions

Affected Versions: 15.0.0-15.1.0.4, 14.1.0-14.1.2.6, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, 11.6.1-11.6.5.2

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking authenticated users into visiting a malicious website that performs unauthorized actions on the BIG-IP system.

Mitigation and Prevention

Protecting systems from CVE-2020-5922 is crucial to maintain security.

Immediate Steps to Take

Disable Basic Authentication for iControl REST users if possible.
Implement additional authentication mechanisms to mitigate CSRF risks.

Long-Term Security Practices

Regularly monitor and update security configurations on BIG-IP devices.
Educate users about the risks of CSRF attacks and how to identify suspicious activities.

Patching and Updates

Apply patches provided by F5 Networks to address the CSRF vulnerability in affected versions of BIG-IP.