CVE-2020-14987 : Vulnerability Insights and Analysis

An issue was discovered in Bloomreach Experience Manager (brXM) 4.1.0 through 14.2.2 that allows remote attackers to execute arbitrary code due to mishandling of administrators' capability to write and run Groovy scripts within the updater editor.

Understanding CVE-2020-14987

This CVE involves a vulnerability in Bloomreach Experience Manager that can be exploited by attackers to execute arbitrary code.

What is CVE-2020-14987?

The vulnerability in Bloomreach Experience Manager allows remote attackers to run Groovy scripts within the updater editor, potentially leading to the execution of arbitrary code.

The Impact of CVE-2020-14987

The mishandling of Groovy scripts by administrators can enable attackers to execute malicious code, posing a significant security risk to affected systems.

Technical Details of CVE-2020-14987

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in Bloomreach Experience Manager arises from the mishandling of administrators' ability to write and execute Groovy scripts within the updater editor.

Affected Systems and Versions

Product: Bloomreach Experience Manager (brXM)
Versions: 4.1.0 through 14.2.2

Exploitation Mechanism

To exploit this vulnerability, an attacker must use an AST transforming annotation such as @Grab to execute arbitrary code.

Mitigation and Prevention

Protecting systems from CVE-2020-14987 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable the capability for administrators to write and run Groovy scripts within the updater editor if not essential.
Implement strict input validation to prevent unauthorized script execution.

Long-Term Security Practices

Regularly update and patch the Bloomreach Experience Manager to address security vulnerabilities.
Conduct security training for administrators to raise awareness of secure coding practices.
Monitor and analyze system logs for any suspicious activities.
Employ network segmentation to limit the impact of potential attacks.
Consider implementing application allowlisting to control script execution.

Patching and Updates

Ensure that the Bloomreach Experience Manager is updated to the latest version to mitigate the vulnerability and apply any security patches released by the vendor.