CVE-2020-13176 Explained : Impact and Mitigation

Teradici Cloud Access Connector and Cloud Access Connector Legacy are affected by a stored cross-site scripting (XSS) vulnerability, allowing remote attackers to inject malicious JavaScript into log files.

Understanding CVE-2020-13176

The vulnerability in the Management Interface of Teradici's Cloud Access Connector and Cloud Access Connector Legacy poses a security risk due to XSS exploitation.

What is CVE-2020-13176?

The Management Interface of Teradici Cloud Access Connector and Cloud Access Connector Legacy versions prior to April 24, 2020, contain a stored cross-site scripting (XSS) vulnerability. This flaw enables unauthenticated remote attackers to insert malicious JavaScript into log files via the login page, which executes when an administrator views the logs within the application.

The Impact of CVE-2020-13176

The XSS vulnerability in Teradici's Cloud Access Connector and Cloud Access Connector Legacy could lead to log file poisoning with potentially harmful JavaScript code, compromising the integrity and security of the affected systems.

Technical Details of CVE-2020-13176

The technical aspects of the vulnerability provide insight into its nature and potential risks.

Vulnerability Description

The stored cross-site scripting (XSS) vulnerability in the Management Interface of Teradici Cloud Access Connector and Cloud Access Connector Legacy allows remote unauthenticated attackers to inject malicious JavaScript into log files.

Affected Systems and Versions

Products: Cloud Access Connector, Cloud Access Connector Legacy
Versions: Cloud Access Connector Legacy prior to April 24, 2020, Cloud Access Connector v16 and earlier

Exploitation Mechanism

The vulnerability is exploited by injecting malicious JavaScript via the login page, which is then executed when an administrator accesses the logs within the application.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigating the risks associated with CVE-2020-13176.

Immediate Steps to Take

Update to the latest patched versions of Cloud Access Connector and Cloud Access Connector Legacy.
Monitor log files for any suspicious activities or unauthorized access.

Long-Term Security Practices

Regularly review and update security configurations and access controls.
Conduct security training for administrators to recognize and respond to potential XSS attacks.

Patching and Updates

Apply security patches provided by Teradici promptly to address the XSS vulnerability in Cloud Access Connector and Cloud Access Connector Legacy.