CVE-2020-4994 : Exploit Details and Defense Strategies

IBM DataPower Gateway 10.0.1.0 through 10.0.1.4 and 2018.4.1.0 through 2018.4.1.17 could allow a remote user to cause a temporary denial of service by sending invalid HTTP requests.

Understanding CVE-2020-4994

IBM DataPower Gateway vulnerability leading to a temporary denial of service.

What is CVE-2020-4994?

CVE-2020-4994 is a vulnerability in IBM DataPower Gateway versions 10.0.1.0 through 10.0.1.4 and 2018.4.1.0 through 2018.4.1.17 that could be exploited by a remote user to trigger a temporary denial of service by sending malformed HTTP requests.

The Impact of CVE-2020-4994

The vulnerability could result in a temporary denial of service, affecting the availability of the IBM DataPower Gateway.

Technical Details of CVE-2020-4994

Details of the vulnerability and affected systems.

Vulnerability Description

CVSS Base Score: 5.3 (Medium)
Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
Exploit Code Maturity: Unproven
Impact: Temporary denial of service

Affected Systems and Versions

IBM DataPower Gateway 10.0.1.0 through 10.0.1.4
IBM DataPower Gateway 2018.4.1.0 through 2018.4.1.17

Exploitation Mechanism

The vulnerability can be exploited by sending invalid HTTP requests to the affected IBM DataPower Gateway versions.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of the CVE-2020-4994 vulnerability.

Immediate Steps to Take

Apply the official fix provided by IBM to address the vulnerability.
Monitor network traffic for any signs of exploitation.
Implement firewall rules to filter out potentially malicious HTTP requests.

Long-Term Security Practices

Regularly update and patch IBM DataPower Gateway to the latest version.
Conduct security assessments and penetration testing to identify and address vulnerabilities.

Patching and Updates

IBM has released an official fix to address the vulnerability in affected versions of DataPower Gateway.