CVE-2019-18177 : Vulnerability Insights and Analysis
Learn about CVE-2019-18177, a vulnerability in Citrix ADC and Citrix Gateway versions 13.0-58.30 allowing unauthorized access to sensitive information. Find mitigation steps and patching advice.
This CVE record pertains to a vulnerability in specific Citrix products that could potentially allow authenticated VPN users to access unintended information.
Understanding CVE-2019-18177
This vulnerability affects Citrix ADC and Citrix Gateway versions 13.0-58.30 and later, up until the CTX276688 update.
What is CVE-2019-18177?
The presence of a configured SSL VPN endpoint in specific Citrix products allows authenticated VPN users to potentially access information that is not intended for disclosure.
The Impact of CVE-2019-18177
This vulnerability could lead to unauthorized access to sensitive information by authenticated VPN users.
Technical Details of CVE-2019-18177
Vulnerability Description
The vulnerability arises from the misconfiguration of SSL VPN endpoints in Citrix products, enabling unauthorized access.
Affected Systems and Versions
- Citrix ADC versions 13.0-58.30 and later
- Citrix Gateway versions 13.0-58.30 and later
Exploitation Mechanism
The vulnerability can be exploited by authenticated VPN users to access information beyond their authorized scope.
Mitigation and Prevention
Immediate Steps to Take
- Apply the CTX276688 update to Citrix ADC and Citrix Gateway
- Monitor and restrict access to sensitive information
Long-Term Security Practices
- Regularly review and update VPN configurations
- Conduct security training for VPN users
Patching and Updates
- Stay informed about security updates from Citrix
- Implement timely patching to address known vulnerabilities