CVE-2021-20481 Explained : Impact and Mitigation
Learn about CVE-2021-20481 affecting IBM Sterling File Gateway versions 2.2.0.0 through 6.1.1.0. Understand the impact, technical details, and mitigation steps for this cross-site scripting vulnerability.
IBM Sterling File Gateway versions 2.2.0.0 through 6.1.1.0 are vulnerable to cross-site scripting, potentially leading to credential disclosure. This could allow users to embed JavaScript code in the Web UI, altering intended functionality.
Understanding CVE-2021-20481
This CVE involves a cross-site scripting vulnerability in IBM Sterling File Gateway, impacting various versions.
What is CVE-2021-20481?
IBM Sterling File Gateway 2.2.0.0 through 6.1.1.0 is susceptible to cross-site scripting. This security flaw enables the injection of arbitrary JavaScript code into the Web UI, which can modify expected behavior, posing a risk of disclosing credentials within a trusted session.
The Impact of CVE-2021-20481
The vulnerability allows threat actors to execute malicious scripts through the Web UI, potentially compromising the integrity of the system and leading to unauthorized access to sensitive information.
Technical Details of CVE-2021-20481
This section provides insights into the vulnerability's description, affected systems, and exploitation mechanism.
Vulnerability Description
The cross-site scripting vulnerability in IBM Sterling File Gateway versions 2.2.0.0 through 6.1.1.0 permits attackers to inject JavaScript code, compromising the application's security.
Affected Systems and Versions
The impacted systems include Sterling File Gateway versions 2.2.0.0, 6.0.1.0, 6.0.0.0, 5.2.6.5_3, 6.0.0.6, 6.0.3.4, 6.1.0.0, and 6.1.0.1.
Exploitation Mechanism
The vulnerability requires little complexity to exploit, with attackers needing low privileges and user interaction to embed malicious scripts in the Web UI.
Mitigation and Prevention
Protecting your system involves immediate steps and long-term security practices.
Immediate Steps to Take
Users are advised to apply official fixes provided by IBM to address the cross-site scripting vulnerability in affected versions.
Long-Term Security Practices
Implement strict input validation, security protocols, and regular security assessments to prevent future vulnerabilities.
Patching and Updates
Keep software up to date and monitor security bulletins from IBM for any new patches or security updates.