CVE-2021-37211 Explained : Impact and Mitigation
Discover the details of CVE-2021-37211, a stored XSS vulnerability in Larvata Digital Technology Co. Ltd.'s FLYGO software, enabling remote attackers to execute malicious scripts on affected systems. Learn about impacts, technical details, and mitigation steps.
A stored cross-site scripting (XSS) vulnerability was discovered in Larvata Digital Technology Co. Ltd.'s FLYGO software, allowing remote attackers to execute malicious scripts using a general user's credentials.
Understanding CVE-2021-37211
This CVE details a vulnerability in the bulletin function of FLYGO that could be exploited by injecting JavaScript to perform stored XSS attacks.
What is CVE-2021-37211?
The bulletin function of FLYGO fails to filter special characters when adding new announcements, enabling attackers to execute stored XSS attacks with a general user's credentials.
The Impact of CVE-2021-37211
This vulnerability could be exploited by remote attackers to inject and execute malicious scripts using a user's credentials, potentially leading to information theft or unauthorized actions.
Technical Details of CVE-2021-37211
The vulnerability is rated with a base CVSS score of 5.4 (Medium severity), with low impacts on confidentiality and integrity. Attack complexity is low, and user interaction is required for exploitation.
Vulnerability Description
FLYGO allows the injection of JavaScript through the bulletin function, making it susceptible to stored XSS attacks that could compromise user information.
Affected Systems and Versions
FLYGO versions less than or equal to 2021.4e are affected by this vulnerability.
Exploitation Mechanism
Remote attackers can exploit this vulnerability by manipulating the bulletin feature to inject malicious JavaScript into announcements.
Mitigation and Prevention
It is crucial to take immediate actions to address this vulnerability in FLYGO.
Immediate Steps to Take
Users are advised to update FLYGO to version 1.91.1 to mitigate the risk of exploitation.
Long-Term Security Practices
Regularly update software and implement security best practices to prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security updates and patches released by Larvata Digital Technology Co. Ltd. to address known vulnerabilities.