IBM Engineering products are vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI, thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. The CVSS score of 5.4 indicates a medium severity level, emphasizing the need for organizations to address this issue promptly.
The risk to organizations includes unauthorized access to user credentials, which can have severe implications for data integrity and confidentiality. Given the nature of this vulnerability, attackers may leverage it to exploit trusted sessions and gain sensitive information.
Currently, there are no known exploits associated with this vulnerability in the wild, and it has not been classified as actively exploited. However, organizations should prioritize patching immediately to ensure that their systems are secure against potential threats.
IBM has released patches for affected products, and it is crucial for users to implement these updates as part of their security measures.
Vulnerability Details
The vulnerability is classified as cross-site scripting (CWE-79). It affects several IBM Engineering products, including IBM DOORS Next Generation, Engineering Lifecycle Management, and Rational Team Concert, among others. The vulnerability was published on March 4, 2021.
The CVSS v3.1 vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N, reflecting a low attack complexity and required user interaction, making it moderately exploitable.
Technical Analysis
The root cause of this vulnerability is insufficient input validation, which allows attackers to inject malicious scripts into the web interface. The attack vector is through the network, requiring low privileges and user interaction to exploit.
Impacts to confidentiality and integrity are classified as low, while availability is not affected. Organizations should monitor their systems for any suspicious activity related to this vulnerability.
Risk & Impact Analysis
Real-world deployment risk includes the potential for unauthorized access to sensitive information, especially in environments where IBM Engineering products are integrated with other systems. The blast radius could be significant, as attackers may be able to pivot to other parts of the network once access is gained.
Organizations should assess their exposure based on the CVSS score of 5.4 and prioritize mitigation strategies accordingly. The low EPSS score indicates a lower probability of exploitation, but organizations should not be complacent.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The following versions of IBM Engineering products are affected by this vulnerability:
IBM DOORS Next Generation versions 7.0, 7.0.1, and 7.0.2; Engineering Lifecycle Management versions 7.0, 7.0.1, and 7.0.2; and other products such as Rational Quality Manager and Rational Team Concert.
Mitigation & Remediation
Organizations are encouraged to apply the latest patches provided by IBM for affected products. For detailed patch information, refer to the IBM security bulletin on the issue.
If immediate patching is not possible, consider implementing input validation controls and network security measures to mitigate the risk of exploitation.
Organizations should also engage in continuous security assessments to identify and remediate vulnerabilities proactively. For more information on security assessments, organizations can refer to penetration testing services offered by AppSecure.
Detection Guidance
Monitoring logs for unusual activity in web applications can help detect exploitation attempts. Look for indicators such as unexpected JavaScript code execution and unusual user interactions.
Behavioral anomalies in user sessions may also indicate potential exploitation. It is essential to maintain updated logging and monitoring systems to catch these events in real time.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2021-20340 lies in its illustration of the risks associated with cross-site scripting vulnerabilities in web applications. Security teams should note the potential for credential theft and the importance of rigorous input validation.
This case highlights the necessity for ongoing security assessments and vigilance against web-based threats. Organizations are reminded of the importance of adopting a comprehensive security posture.
For further reading on security best practices, organizations can explore the following resources: penetration testing methodologies, vulnerability management programs, and security testing best practices to enhance their security posture.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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