CVE-2021-38488 : Security Advisory and Response
Learn about CVE-2021-38488 affecting Delta Electronics DIALink versions 1.2.4.0 and prior, allowing attackers to execute code by injecting malicious JavaScript into the API events.
Delta Electronics DIALink versions 1.2.4.0 and prior are susceptible to a cross-site scripting vulnerability. An authenticated attacker can inject malicious JavaScript code into the parameter comment of the API events, potentially leading to remote code execution.
Understanding CVE-2021-38488
This section dives deeper into the impact and technical aspects of the CVE-2021-38488 vulnerability.
What is CVE-2021-38488?
CVE-2021-38488 affects Delta Electronics DIALink versions 1.2.4.0 and earlier, allowing attackers to execute arbitrary code by injecting JavaScript into the API events.
The Impact of CVE-2021-38488
The vulnerability's CVSSv3.1 base score is 5.5 (Medium severity) with a LOW attack complexity and HIGH privileges required, posing a risk of unauthorized code execution.
Technical Details of CVE-2021-38488
Explore the specific technical details related to the CVE-2021-38488 vulnerability.
Vulnerability Description
An authenticated attacker can exploit the cross-site scripting flaw by inserting malicious JavaScript into the comment parameter, leading to potential code execution.
Affected Systems and Versions
Delta Electronics DIALink versions 1.2.4.0 and previous versions are impacted by this vulnerability, exposing them to remote code execution.
Exploitation Mechanism
The vulnerability enables attackers to inject arbitrary JavaScript code into the API events, opening the door to unauthorized remote code execution.
Mitigation and Prevention
Discover the immediate steps and long-term practices to enhance security and safeguard against CVE-2021-38488.
Immediate Steps to Take
While awaiting an official patch from Delta Electronics, users are advised to exercise caution, avoid executing untrusted code, and monitor for suspicious activities.
Long-Term Security Practices
Incorporate security best practices such as implementing code reviews, security testing, and ongoing monitoring to prevent similar vulnerabilities in the future.
Patching and Updates
Delta Electronics is currently working on an update to address the CVE-2021-38488 vulnerability. Users should promptly apply the patch once released to mitigate the risk of exploitation.