CVE-2021-32539 : Exploit Details and Defense Strategies
Discover how the stored XSS vulnerability in Hundred Plus 101EIP system allows remote authenticated users to inject malicious JavaScript code, impacting system security. Learn about the impact, technical details, affected versions, and mitigation steps.
A stored Cross-Site Scripting (XSS) vulnerability was discovered in the 101EIP system by Hundred Plus. This vulnerability allows remote authenticated users to inject malicious JavaScript code via a specific field, leading to a stored XSS attack.
Understanding CVE-2021-32539
This section provides insights into the nature and impact of the CVE-2021-32539 vulnerability.
What is CVE-2021-32539?
The CVE-2021-32539 is a stored XSS vulnerability found in the 101EIP system that enables remote authenticated users to execute malicious JavaScript code through certain fields.
The Impact of CVE-2021-32539
The impact of this vulnerability is rated as MEDIUM severity according to the CVSS v3.1 base scoring, with low confidentiality and integrity impacts. An attacker can perform a stored XSS attack, jeopardizing the system's security.
Technical Details of CVE-2021-32539
This section outlines the technical details surrounding the CVE-2021-32539 vulnerability.
Vulnerability Description
The vulnerability arises from the system's failure to filter special characters in specific fields, making it possible for authenticated remote users to insert malicious JavaScript code.
Affected Systems and Versions
The vulnerability affects the 101EIP system, specifically version RELEASE_200925.
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting JavaScript code into the vulnerable fields, thereby initiating a stored XSS attack.
Mitigation and Prevention
In light of CVE-2021-32539, it is crucial to take immediate actions to secure your systems.
Immediate Steps to Take
To mitigate the risk posed by this vulnerability, users should update their 101EIP system to version 210426 where the issue has been resolved.
Long-Term Security Practices
Implementing input validation mechanisms and regularly updating systems can prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security patches and updates released by the vendor to address any potential vulnerabilities.