CVE-2020-4399 : Exploit Details and Defense Strategies

IBM Verify Gateway (IVG) 1.0.0 and 1.0.1 could allow an authenticated user to send malformed requests to cause a denial of service against the server.

Understanding CVE-2020-4399

IBM Verify Gateway (IVG) 1.0.0 and 1.0.1 vulnerability impacting IBM products.

What is CVE-2020-4399?

CVE-2020-4399 is a vulnerability in IBM Verify Gateway (IVG) versions 1.0.0 and 1.0.1 that enables an authenticated user to launch a denial of service attack by sending malformed requests.

The Impact of CVE-2020-4399

The vulnerability has a CVSS base score of 6.5 (Medium severity) with a high impact on availability. An attacker can exploit this issue to disrupt the server's services.

Technical Details of CVE-2020-4399

Details of the vulnerability affecting IBM Verify Gateway (IVG).

Vulnerability Description

Authenticated users can exploit IVG 1.0.0 and 1.0.1 to trigger a denial of service by sending malformed requests.

Affected Systems and Versions

Product: Verify Gateway (IVG)
Vendor: IBM
Affected Versions: 1.0.0, 1.0.1

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: Low
Exploit Code Maturity: Unproven
Availability Impact: High

Mitigation and Prevention

Ways to address and prevent the CVE-2020-4399 vulnerability.

Immediate Steps to Take

Apply the official fix provided by IBM to mitigate the vulnerability.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Regularly update and patch IBM Verify Gateway to the latest version.
Implement network security measures to detect and prevent denial of service attacks.

Patching and Updates

Stay informed about security bulletins and updates from IBM to address vulnerabilities promptly.