CVE-2021-27930 : What You Need to Know

Multiple stored XSS vulnerabilities have been discovered in IrisNext Edition 9.5.16, allowing authenticated or compromised users to inject malicious JavaScript into folder/file names. This could lead to session theft or the execution of malicious code in users' browsers.

Understanding CVE-2021-27930

This CVE identifies multiple stored XSS vulnerabilities in IrisNext Edition 9.5.16, posing a risk of session hijacking or remote code execution.

What is CVE-2021-27930?

The CVE-2021-27930 vulnerability involves injecting malicious JavaScript into folder or file names in IrisNext Edition 9.5.16, enabling attackers to compromise user sessions or execute harmful code.

The Impact of CVE-2021-27930

With a CVSSv3.1 base score of 5.4 (Medium severity), this vulnerability can be exploited with low attack complexity and required user interaction, potentially leading to session hijacking or remote code execution.

Technical Details of CVE-2021-27930

This section delves into the technical aspects of CVE-2021-27930 to provide a comprehensive understanding of the vulnerability.

Vulnerability Description

The vulnerability allows authenticated or compromised users to insert malicious JavaScript into folder/file names within IrisNext Edition 9.5.16, enabling them to hijack sessions or execute malicious code.

Affected Systems and Versions

IrisNext Edition 9.5.16 is specifically impacted by this vulnerability, potentially affecting systems where this version is in use.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating folder or file names in the application, injecting JavaScript code to compromise user sessions or execute remote code.

Mitigation and Prevention

To safeguard systems from the risks associated with CVE-2021-27930, immediate steps and long-term security practices are recommended.

Immediate Steps to Take

Users should avoid interacting with suspicious files or folders in IrisNext Edition 9.5.16 to mitigate the risk of exploitation. It is crucial to report any unusual activities to the security team.

Long-Term Security Practices

Implementing strict input validation mechanisms and conducting regular security assessments can enhance the overall security posture of the application to prevent similar vulnerabilities in the future.

Patching and Updates

Vendors should release patches or updates that address the XSS vulnerabilities in IrisNext Edition 9.5.16 to eliminate the risk of exploitation and ensure the protection of user data and systems.