CVE-2020-5884 : Exploit Details and Defense Strategies

A vulnerability in the default deployment mode for BIG-IP high availability (HA) pair mirroring exposes an information disclosure risk.

Understanding CVE-2020-5884

This CVE identifies a security issue in the BIG-IP software affecting specific versions.

What is CVE-2020-5884?

The vulnerability lies in the insecure default deployment mode for BIG-IP HA pair mirroring, leading to potential information disclosure.

The Impact of CVE-2020-5884

The vulnerability exposes a control plane issue only on the network used for mirroring, potentially allowing unauthorized access to sensitive information.

Technical Details of CVE-2020-5884

This section delves into the technical aspects of the CVE.

Vulnerability Description

The default deployment mode for BIG-IP HA pair mirroring in versions 11.6.1-15.1.0.3 is insecure, posing an information disclosure risk.

Affected Systems and Versions

BIG-IP versions 15.0.0-15.1.0.3
BIG-IP versions 14.1.0-14.1.2.4
BIG-IP versions 13.1.0-13.1.3.3
BIG-IP versions 12.1.0-12.1.5.1
BIG-IP versions 11.6.1-11.6.5.1

Exploitation Mechanism

The vulnerability is exploited through the default deployment mode for BIG-IP HA pair mirroring, allowing unauthorized access to the control plane.

Mitigation and Prevention

Protecting systems from CVE-2020-5884 is crucial for maintaining security.

Immediate Steps to Take

Disable the insecure default deployment mode for BIG-IP HA pair mirroring.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update and patch the BIG-IP software to mitigate known vulnerabilities.
Implement network segmentation to limit the impact of potential breaches.

Patching and Updates

Apply vendor-released patches and updates promptly to address the vulnerability and enhance system security.