CVE-2020-8195 : What You Need to Know

Citrix ADC, Citrix Gateway, and Citrix SDWAN WAN-OP are affected by an improper input validation vulnerability that could lead to limited information disclosure to low privileged users.

Understanding CVE-2020-8195

This CVE identifies a security issue in Citrix products that could potentially expose sensitive information to unauthorized users.

What is CVE-2020-8195?

The vulnerability stems from inadequate input validation in Citrix ADC, Citrix Gateway, and Citrix SDWAN WAN-OP versions prior to specific releases, allowing low privileged users to access restricted data.

The Impact of CVE-2020-8195

The vulnerability could result in limited information disclosure, potentially compromising the confidentiality of sensitive data to unauthorized users.

Technical Details of CVE-2020-8195

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The flaw lies in the improper input validation of Citrix ADC, Citrix Gateway, and Citrix SDWAN WAN-OP versions preceding certain releases, enabling low privileged users to gain access to restricted information.

Affected Systems and Versions

Products: Citrix ADC, Citrix Gateway, Citrix SDWAN WAN-OP
Versions: Citrix ADC and Citrix Gateway 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14, 10.5-70.18, Citrix SDWAN WAN-OP 11.1.1a, 11.0.3d, 10.2.7

Exploitation Mechanism

The vulnerability allows low privileged users to exploit the lack of input validation in the affected Citrix products to gain unauthorized access to sensitive information.

Mitigation and Prevention

Protecting systems from CVE-2020-8195 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply security patches provided by Citrix promptly.
Monitor and restrict access to vulnerable systems.
Implement the principle of least privilege to limit user access.

Long-Term Security Practices

Regularly update and patch Citrix products to mitigate known vulnerabilities.
Conduct security assessments and audits to identify and address potential weaknesses.
Educate users on security best practices to prevent unauthorized access.

Patching and Updates

Citrix has released patches to address the vulnerability. Ensure all affected systems are updated to the latest secure versions.