CVE-2019-12990 : What You Need to Know

Citrix SD-WAN and NetScaler SD-WAN are affected by a Directory Traversal vulnerability in specific versions.

Understanding CVE-2019-12990

This CVE identifies a security issue in Citrix SD-WAN and NetScaler SD-WAN versions prior to specific releases.

What is CVE-2019-12990?

Directory Traversal is possible in versions prior to 10.2.3 of Citrix SD-WAN 10.2.x and versions prior to 10.0.8 of NetScaler SD-WAN 10.0.x.

The Impact of CVE-2019-12990

The vulnerability allows attackers to navigate through file directories to access restricted files, potentially leading to unauthorized data disclosure or system compromise.

Technical Details of CVE-2019-12990

This section provides detailed technical information about the vulnerability.

Vulnerability Description

Citrix SD-WAN 10.2.x before 10.2.3 and NetScaler SD-WAN 10.0.x before 10.0.8 allow Directory Traversal.

Affected Systems and Versions

Citrix SD-WAN 10.2.x versions before 10.2.3
NetScaler SD-WAN 10.0.x versions before 10.0.8

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating file paths to access files outside the intended directory structure.

Mitigation and Prevention

Protect your systems from CVE-2019-12990 with these security measures.

Immediate Steps to Take

Apply the recommended patches provided by Citrix for the affected versions.
Monitor network traffic for any suspicious activities indicating exploitation attempts.

Long-Term Security Practices

Implement access controls and least privilege principles to restrict file system access.
Regularly update and patch software to address known vulnerabilities.

Patching and Updates

Citrix has released patches for Citrix SD-WAN and NetScaler SD-WAN to address the Directory Traversal vulnerability.