CVE-2021-28109 : Exploit Details and Defense Strategies
Discover the impact of CVE-2021-28109, a Cross-Site Scripting (XSS) vulnerability in TranzWare (POI) FIMI before 4.2.20.4.2 via login_tw.php. Learn about affected systems, exploitation, and mitigation.
TranzWare (POI) FIMI before 4.2.20.4.2 is vulnerable to reflected Cross-Site Scripting (XSS) via login_tw.php. Here's what you need to know about this CVE.
Understanding CVE-2021-28109
This section will provide insights into the nature and impact of CVE-2021-28109.
What is CVE-2021-28109?
CVE-2021-28109 is a vulnerability in TranzWare (POI) FIMI before version 4.2.20.4.2 that allows for reflected Cross-Site Scripting (XSS) through the login_tw.php page.
The Impact of CVE-2021-28109
This vulnerability could be exploited by attackers to execute malicious scripts in the context of an unsuspecting user's web session, potentially leading to unauthorized actions or data theft.
Technical Details of CVE-2021-28109
Delve deeper into the technical aspects of CVE-2021-28109 to understand its implications.
Vulnerability Description
The vulnerability arises due to inadequate input validation on the login_tw.php page, enabling attackers to inject and execute arbitrary scripts within the user's browser.
Affected Systems and Versions
TranzWare (POI) FIMI versions prior to 4.2.20.4.2 are affected by this XSS vulnerability, potentially impacting systems using these versions.
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious links or scripts that, when clicked by users on the affected system, execute unauthorized code in their browser.
Mitigation and Prevention
Learn how to mitigate the risks associated with CVE-2021-28109 and prevent potential exploitation.
Immediate Steps to Take
Users are advised to update TranzWare (POI) FIMI to version 4.2.20.4.2 or apply patches provided by the vendor to address the XSS vulnerability.
Long-Term Security Practices
Implement strict input validation mechanisms, security controls, and regular security assessments to prevent similar XSS vulnerabilities in the future.
Patching and Updates
Regularly monitor security advisories from the vendor and apply patches promptly to mitigate the risk of CVE-2021-28109 exploitation.