CVE-2020-11839 : Exploit Details and Defense Strategies

Micro Focus ArcSight Logger is affected by a Cross Site Scripting (XSS) vulnerability, impacting all versions from 6.6.1 to 7.0.1. This vulnerability could be exploited remotely, leading to XSS or information disclosure.

Understanding CVE-2020-11839

This CVE involves a security issue in the ArcSight Logger product that allows for Cross Site Scripting attacks.

What is CVE-2020-11839?

CVE-2020-11839 is a Cross Site Scripting (XSS) vulnerability in Micro Focus ArcSight Logger, affecting versions 6.6.1 to 7.0.1. It can be exploited remotely, potentially resulting in XSS attacks or information disclosure.

The Impact of CVE-2020-11839

The vulnerability poses a risk of unauthorized access to sensitive information and the execution of malicious scripts on affected systems.

Technical Details of CVE-2020-11839

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability allows attackers to inject malicious scripts into web pages viewed by users, potentially leading to unauthorized access or data leakage.

Affected Systems and Versions

Product: ArcSight Logger
Vendor: Micro Focus
Versions Affected: All versions from 6.6.1 to 7.0.1

Exploitation Mechanism

Attackers can exploit this vulnerability remotely to conduct Cross Site Scripting attacks or gain unauthorized access to sensitive information.

Mitigation and Prevention

Protecting systems from CVE-2020-11839 is crucial to maintaining security.

Immediate Steps to Take

Apply security patches provided by Micro Focus promptly.
Implement web application firewalls to filter and block malicious traffic.
Regularly monitor and audit web applications for unusual activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify vulnerabilities.
Educate users on safe browsing practices and the risks of XSS attacks.

Patching and Updates

Ensure that all systems running ArcSight Logger are updated with the latest patches and security fixes to mitigate the risk of exploitation.