CVE-2021-20519 : Exploit Details and Defense Strategies
Learn about CVE-2021-20519, a cross-site scripting vulnerability in IBM Jazz Team Server products that can lead to credential disclosure. Find out about the impact, affected systems, and mitigation steps.
IBM Jazz Team Server products are vulnerable to cross-site scripting, allowing users to embed arbitrary JavaScript code that can potentially lead to credentials disclosure within trusted sessions. This vulnerability has a CVSS base score of 5.4 (Medium severity).
Understanding CVE-2021-20519
This CVE impacts multiple IBM products, including Rational Quality Manager, Rational Team Concert, and others.
What is CVE-2021-20519?
CVE-2021-20519 is a cross-site scripting vulnerability in IBM Jazz Team Server products that can be exploited by attackers to insert malicious JavaScript code into web interfaces.
The Impact of CVE-2021-20519
This vulnerability can alter the intended functionality of the affected products, potentially leading to the disclosure of credentials in a trusted session.
Technical Details of CVE-2021-20519
This CVE has been assigned a CVSS v3.0 base score of 5.4, indicating medium severity.
Vulnerability Description
The vulnerability allows for the execution of arbitrary JavaScript code in the Web UI, impacting various IBM products.
Affected Systems and Versions
IBM products affected include Rational Quality Manager, Rational Team Concert, Rational Engineering Lifecycle Manager, and others.
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious JavaScript code into vulnerable web interfaces, potentially compromising user credentials.
Mitigation and Prevention
It is crucial for users to take immediate steps to address this vulnerability and implement long-term security practices to prevent future exploits.
Immediate Steps to Take
Users are advised to apply official fixes provided by IBM to mitigate the risk associated with CVE-2021-20519.
Long-Term Security Practices
Implement secure coding practices, regular security assessments, and user training on identifying and mitigating cross-site scripting vulnerabilities.
Patching and Updates
IBM has released patches and updates to address this vulnerability. Users should ensure their systems are up to date with the latest security fixes.