CVE-2020-9736 Explained : Impact and Mitigation
Learn about CVE-2020-9736, a stored XSS vulnerability in Adobe Experience Manager versions 6.5.5.0 and below, 6.4.8.1 and below, 6.3.3.8 and below, and 6.2 SP1-CFP20 and below, allowing malicious script execution.
A stored XSS vulnerability in Adobe Experience Manager (AEM) versions 6.5.5.0 and below, 6.4.8.1 and below, 6.3.3.8 and below, and 6.2 SP1-CFP20 and below allows malicious scripts to be stored in certain node fields, potentially leading to script execution in victims' browsers.
Understanding CVE-2020-9736
This CVE involves a stored XSS vulnerability in Adobe Experience Manager (AEM) versions.
What is CVE-2020-9736?
AEM versions 6.5.5.0 and below, 6.4.8.1 and below, 6.3.3.8 and below, and 6.2 SP1-CFP20 and below are affected by a stored XSS vulnerability that enables the execution of malicious scripts in victims' browsers.
The Impact of CVE-2020-9736
The vulnerability poses a medium-severity risk with high impacts on confidentiality, integrity, and availability. Users with access to the Content Repository Development Environment can exploit this flaw.
Technical Details of CVE-2020-9736
This section provides technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows users to store malicious scripts in specific node fields, leading to potential script execution in victims' browsers.
Affected Systems and Versions
- Adobe Experience Manager (AEM) versions 6.5.5.0 and below
- Adobe Experience Manager (AEM) versions 6.4.8.1 and below
- Adobe Experience Manager (AEM) versions 6.3.3.8 and below
- Adobe Experience Manager (AEM) versions 6.2 SP1-CFP20 and below
Exploitation Mechanism
Users with access to the Content Repository Development Environment can exploit this vulnerability by storing malicious scripts in specific node fields.
Mitigation and Prevention
Protecting systems from CVE-2020-9736 is crucial to prevent potential attacks.
Immediate Steps to Take
- Apply security patches provided by Adobe promptly.
- Restrict access to the Content Repository Development Environment.
- Regularly monitor and audit the system for any suspicious activities.
Long-Term Security Practices
- Conduct regular security training for users to raise awareness of XSS vulnerabilities.
- Implement secure coding practices to prevent script injection.
Patching and Updates
- Ensure all Adobe Experience Manager (AEM) instances are updated with the latest security patches.