CVE-2020-9741 Explained : Impact and Mitigation

A stored XSS vulnerability in Adobe Experience Manager (AEM) Forms Components allows malicious scripts to be executed in a victim's browser.

Understanding CVE-2020-9741

A critical vulnerability impacting AEM Forms Components.

What is CVE-2020-9741?

The vulnerability enables users with 'Author' privileges to store harmful scripts in fields associated with the Forms component, leading to script execution in victims' browsers.

The Impact of CVE-2020-9741

CVSS Base Score: 9.0 (Critical)
Attack Vector: Network
Attack Complexity: Low
Privileges Required: Low
User Interaction: Required
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High
Scope: Changed

Technical Details of CVE-2020-9741

A detailed look at the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability allows for stored XSS attacks in AEM Forms Components.

Affected Systems and Versions

Adobe Experience Manager versions 6.5.5.0 and below
Adobe Experience Manager versions 6.4.8.1 and below

Exploitation Mechanism

Attackers with 'Author' privileges can input malicious scripts into fields linked to the Forms component, which are then executed in victims' browsers.

Mitigation and Prevention

Measures to address and prevent the CVE-2020-9741 vulnerability.

Immediate Steps to Take

Apply security patches provided by Adobe promptly
Restrict user privileges to minimize the impact of potential attacks
Monitor and review user input for suspicious scripts

Long-Term Security Practices

Regular security training for users to recognize and report suspicious activities
Implement Content Security Policy (CSP) to mitigate XSS risks

Patching and Updates

Stay informed about security updates from Adobe
Regularly update AEM Forms Components to the latest secure versions