CVE-2021-20559 : Exploit Details and Defense Strategies
Learn about CVE-2021-20559 affecting IBM Control Desk versions 7.6.1.2 and 7.6.1.3, allowing cross-site scripting attacks leading to potential credential disclosure.
This CVE refers to a vulnerability in IBM Control Desk versions 7.6.1.2 and 7.6.1.3 that allows for cross-site scripting attacks compromising the Web UI and potentially leading to credential disclosure during a trusted session.
Understanding CVE-2021-20559
This section delves into the specifics of the vulnerability, its impact, technical details, and mitigation strategies.
What is CVE-2021-20559?
The vulnerability in IBM Control Desk versions 7.6.1.2 and 7.6.1.3 permits attackers to inject malicious JavaScript code into the Web UI, manipulating its functionality and possibly extracting sensitive credentials.
The Impact of CVE-2021-20559
The exploit has a CVSS base score of 5.4 (Medium severity) and requires low privileges with user interaction. The attack complexity is low but necessitates user interaction to succeed.
Technical Details of CVE-2021-20559
Explore the details regarding the vulnerability, affected systems, versions, and the mechanism of exploitation.
Vulnerability Description
The vulnerability allows threat actors to execute cross-site scripting attacks by embedding malicious JavaScript into the Web UI of IBM Control Desk versions 7.6.1.2 and 7.6.1.3.
Affected Systems and Versions
IBM Control Desk versions 7.6.1.2 and 7.6.1.3 are susceptible to this cross-site scripting vulnerability that compromises the integrity and confidentiality of user data.
Exploitation Mechanism
Attackers exploit this vulnerability by injecting specially crafted JavaScript code into the Web UI, enabling them to manipulate the UI and potentially steal sensitive user credentials.
Mitigation and Prevention
Discover the immediate actions to take and long-term security practices to prevent such vulnerabilities in the future.
Immediate Steps to Take
Users are advised to apply the official fix provided by IBM for Control Desk versions 7.6.1.2 and 7.6.1.3. It is crucial to update the system to eliminate the risk of cross-site scripting attacks.
Long-Term Security Practices
Incorporating secure coding practices, regular security audits, and employee training on identifying phishing attempts can enhance the overall security posture of the system.
Patching and Updates
Regularly applying security patches and updates released by the vendor is essential to ensure that the system is protected against known vulnerabilities.