CVE-2020-4303 : Security Advisory and Response
Learn about CVE-2020-4303 affecting IBM WebSphere Application Server Liberty versions 17.0.0.3 through 20.0.0.3. Understand the impact, technical details, and mitigation steps to secure your systems.
IBM WebSphere Application Server - Liberty 17.0.0.3 through 20.0.0.3 is vulnerable to cross-site scripting, potentially leading to credentials disclosure within a trusted session.
Understanding CVE-2020-4303
IBM WebSphere Application Server - Liberty versions 17.0.0.3 through 20.0.0.3 are susceptible to a cross-site scripting vulnerability.
What is CVE-2020-4303?
This vulnerability allows users to inject arbitrary JavaScript code into the Web UI, potentially altering the intended functionality and leading to the disclosure of credentials within a trusted session.
The Impact of CVE-2020-4303
- CVSS Base Score: 6.1 (Medium)
- Attack Vector: Network
- Exploit Code Maturity: High
- User Interaction: Required
- Scope: Changed
- Confidentiality Impact: Low
- Integrity Impact: Low
- Availability Impact: None
Technical Details of CVE-2020-4303
IBM WebSphere Application Server - Liberty versions 17.0.0.3 through 20.0.0.3 are affected by a cross-site scripting vulnerability.
Vulnerability Description
The vulnerability allows attackers to execute arbitrary JavaScript code in the Web UI, potentially compromising the security of the application.
Affected Systems and Versions
- Product: WebSphere Application Server Liberty
- Vendor: IBM
- Vulnerable Versions: 17.0.0.3, 20.0.0.3
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious JavaScript code into the Web UI, manipulating the application's behavior and potentially gaining unauthorized access.
Mitigation and Prevention
Immediate action is necessary to secure systems against CVE-2020-4303.
Immediate Steps to Take
- Apply official fixes provided by IBM to address the vulnerability.
- Monitor for any unusual activities that may indicate exploitation of the vulnerability.
Long-Term Security Practices
- Regularly update and patch the WebSphere Application Server Liberty to prevent security vulnerabilities.
- Educate users on safe browsing practices to minimize the risk of cross-site scripting attacks.
Patching and Updates
Ensure that all systems running affected versions of WebSphere Application Server Liberty are updated with the latest security patches.