CVE-2019-4402 : Vulnerability Insights and Analysis

IBM API Connect versions 2018.1 to 2018.4.1.6 are vulnerable to a denial of service attack due to lack of necessary protection.

Understanding CVE-2019-4402

This CVE involves a vulnerability in IBM API Connect versions 2018.1 through 2018.4.1.6 that could allow unauthorized individuals to launch denial of service attacks.

What is CVE-2019-4402?

The IBM API Connect versions 2018.1 to 2018.4.1.6 are susceptible to exploitation by unauthorized users to trigger denial of service attacks through unprotected APIs.

The Impact of CVE-2019-4402

CVSS Base Score: 8.6 (High Severity)
Attack Vector: Network
Availability Impact: High
Exploit Code Maturity: Unproven
Scope: Changed
Confidentiality Impact: None
Integrity Impact: None
User Interaction: None
This vulnerability has been assigned the IBM X-Force ID: 162263.

Technical Details of CVE-2019-4402

Vulnerability Description

The vulnerability in IBM API Connect allows attackers to exploit unprotected APIs, potentially leading to denial of service attacks.

Affected Systems and Versions

Product: API Connect
Vendor: IBM
Vulnerable Versions: 2018.1, 2018.4.1.6

Exploitation Mechanism

Attackers can exploit this vulnerability by sending unauthorized requests to unprotected APIs, causing a denial of service.

Mitigation and Prevention

Immediate Steps to Take

Apply the official fix provided by IBM to address the vulnerability.
Monitor API traffic for any unusual patterns that could indicate a denial of service attack.

Long-Term Security Practices

Regularly update and patch API Connect to ensure the latest security measures are in place.
Implement access controls and authentication mechanisms to prevent unauthorized access to APIs.

Patching and Updates

IBM has released patches to address this vulnerability. Ensure that your API Connect instances are updated with the latest fixes.