CVE-2021-3010 : What You Need to Know

OpenText Content Server Version 20.3 is affected by multiple persistent cross-site scripting vulnerabilities, allowing remote attackers to execute arbitrary JavaScript through crafted malicious form values.

Understanding CVE-2021-3010

This CVE identifies the presence of cross-site scripting vulnerabilities in OpenText Content Server Version 20.3, posing a significant risk to the security of the web interface.

What is CVE-2021-3010?

The CVE-2021-3010 vulnerability involves the exploitation of persistent cross-site scripting (XSS) weaknesses in the OpenText Content Server Version 20.3 web interface. Attackers can inject malicious JavaScript code via specially crafted form values, which are not properly sanitized by the application.

The Impact of CVE-2021-3010

The impact of CVE-2021-3010 is severe as it enables remote attackers to execute arbitrary code in the context of the targeted user's browser. This could lead to various attacks, including theft of sensitive information, session hijacking, and defacement of web pages.

Technical Details of CVE-2021-3010

The technical details of CVE-2021-3010 shed light on the specific aspects of the vulnerability.

Vulnerability Description

The vulnerability stems from inadequate input validation on web forms, allowing attackers to inject and execute malicious scripts in the web interface.

Affected Systems and Versions

OpenText Content Server Version 20.3 is specifically impacted by this vulnerability, making systems with this version at risk.

Exploitation Mechanism

Remote attackers exploit this vulnerability by submitting crafted form values containing malicious JavaScript code, which is executed when processed by the server-side scripts.

Mitigation and Prevention

Mitigating CVE-2021-3010 is crucial to safeguard systems from potential exploitation and security breaches.

Immediate Steps to Take

Immediate steps include applying security patches, restricting access to vulnerable interfaces, and implementing input validation mechanisms to filter out malicious scripts.

Long-Term Security Practices

Implement code reviews, security testing, and security awareness training to prevent similar vulnerabilities in the future. Stay informed about security updates and best practices.

Patching and Updates

Regularly check for security advisories from OpenText, and promptly apply patches and updates to address known vulnerabilities and enhance the security posture of OpenText Content Server.