CVE-2023-30803 : Security Advisory and Response

A detailed analysis of the Sangfor Next-Gen Application Firewall authentication bypass vulnerability.

Understanding CVE-2023-30803

This section provides an overview of the vulnerability and its impact.

What is CVE-2023-30803?

The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an authentication bypass vulnerability. This allows a remote unauthenticated attacker to bypass authentication and access administrative functionality by sending HTTP requests using a crafted Y-forwarded-for header.

The Impact of CVE-2023-30803

CAPEC-21 outlines the exploitation of trusted identifiers, highlighting the severity of this vulnerability.

Technical Details of CVE-2023-30803

Explore the technical aspects of the CVE.

Vulnerability Description

The CWE-290: Authentication Bypass by Spoofing describes this vulnerability in detail, emphasizing the security implications.

Affected Systems and Versions

Sangfor's Net-Gen Application Firewall version 8.0.17 is confirmed to be affected by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited remotely over the network without the need for authentication, making it a critical security concern.

Mitigation and Prevention

Learn how to address and prevent the CVE effectively.

Immediate Steps to Take

Immediate actions such as applying security patches or workarounds are crucial to mitigate the risk of exploitation.

Long-Term Security Practices

Implementing robust authentication mechanisms and monitoring network traffic can enhance long-term security posture.

Patching and Updates

Regularly updating the Sangfor Next-Gen Application Firewall to the latest version with security patches is essential to prevent such vulnerabilities.