CVE-2020-10110 : What You Need to Know

Citrix Gateway 11.1, 12.0, and 12.1 allows Information Exposure Through Caching, although it is disputed as not a vulnerability by Citrix. This CVE focuses on potential information disclosure through cache headers.

Understanding CVE-2020-10110

This CVE concerns the exposure of information through caching mechanisms in Citrix Gateway versions 11.1, 12.0, and 12.1.

What is CVE-2020-10110?

CVE-2020-10110 highlights the possibility of information exposure through caching in Citrix Gateway versions 11.1, 12.0, and 12.1. Citrix disputes this as a vulnerability, stating that no sensitive information is disclosed through the cache headers.

The Impact of CVE-2020-10110

The impact of this CVE lies in the potential exposure of information through cache headers, which could lead to unauthorized access to sensitive data if exploited.

Technical Details of CVE-2020-10110

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability allows Information Exposure Through Caching in Citrix Gateway versions 11.1, 12.0, and 12.1. The "Via" and "Age" headers are utilized for proxy cache, but Citrix asserts that the information disclosed is not sensitive.

Affected Systems and Versions

Affected Versions: Citrix Gateway 11.1, 12.0, 12.1
No specific affected products or vendors mentioned

Exploitation Mechanism

Exploitation involves leveraging cache headers to potentially access cached responses and information.

Mitigation and Prevention

Protecting systems from CVE-2020-10110 requires immediate actions and long-term security practices.

Immediate Steps to Take

Monitor and restrict access to cache headers in Citrix Gateway configurations.
Regularly review and update caching mechanisms to prevent unauthorized information exposure.

Long-Term Security Practices

Implement strict access controls and authentication mechanisms to limit unauthorized access to sensitive data.
Conduct regular security audits and assessments to identify and address potential vulnerabilities.

Patching and Updates

Stay informed about Citrix security advisories and updates to address any potential vulnerabilities in caching mechanisms.