CVE-2021-39035 : What You Need to Know
Understand the impact and technical details of CVE-2021-39035 affecting IBM Sterling B2B Integrator versions 6.0.0.0 to 6.1.1.1. Learn mitigation strategies and steps to prevent this cross-site scripting vulnerability.
IBM Sterling B2B Integrator Standard Edition versions 6.0.0.0 through 6.0.3.5, 6.1.0.0 through 6.1.0.4, and 6.1.1.0 through 6.1.1.1 have a vulnerability that could lead to cross-site scripting. This article provides an overview of the CVE-2021-39035 vulnerability, its impact, technical details, and mitigation strategies.
Understanding CVE-2021-39035
CVE-2021-39035 is a cross-site scripting vulnerability affecting IBM Sterling B2B Integrator Standard Edition versions 6.0.0.0 through 6.0.3.5, 6.1.0.0 through 6.1.0.4, and 6.1.1.0 through 6.1.1.1.
What is CVE-2021-39035?
- Vulnerability allows embedding JavaScript in the Web UI
- Could potentially lead to altering functionality and credentials disclosure
The Impact of CVE-2021-39035
The vulnerability has the following impact:
- CVSS Base Score: 5.4 (Medium)
- Attack Vector: Network
- Exploit Code Maturity: High
- User Interaction Required: Yes
- Allows embedding arbitrary JavaScript code in the Web UI resulting in potential credential exposure.
Technical Details of CVE-2021-39035
The technical details of CVE-2021-39035 are as follows:
Vulnerability Description
- Cross-site scripting vulnerability
- Allows users to embed arbitrary JavaScript in Web UI
- Potential for credential disclosure within a trusted session
Affected Systems and Versions
- Affected Versions: 6.0.0.0 - 6.0.3.5, 6.1.0.0 - 6.1.0.4, 6.1.1.0 - 6.1.1.1
Exploitation Mechanism
- Attack Complexity: Low
- Privileges Required: Low
- Impact: Low confidentiality and integrity impact
- Requires user interaction for exploitation
- Network-based attack
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the impact of CVE-2021-39035.
Immediate Steps to Take
- Apply official fixes provided by IBM
- Regularly monitor for any suspicious activity
- Educate users on safe browsing practices
Long-Term Security Practices
- Conduct regular security assessments and penetration testing
- Keep software up to date with the latest security patches
- Implement a robust Web Application Firewall (WAF)
Patching and Updates
- Follow IBM's official patching guidance
- Stay informed about security bulletins and updates