CVE-2021-36381 Explained : Impact and Mitigation

A vulnerability in Edifecs Transaction Management allows an unauthenticated user to inject arbitrary text into a user's browser via a specific URL on the login screen of the Web application.

Understanding CVE-2021-36381

This section provides an overview of the CVE-2021-36381 vulnerability in Edifecs Transaction Management.

What is CVE-2021-36381?

CVE-2021-36381 pertains to an issue in Edifecs Transaction Management that enables an unauthorized user to insert unauthorized text into a user's browser through a certain URL on the login interface of the web-based application.

The Impact of CVE-2021-36381

This vulnerability could potentially allow attackers to execute cross-site scripting (XSS) attacks by injecting malicious scripts into the user's browser, leading to unauthorized access or other security breaches.

Technical Details of CVE-2021-36381

This section delves into the technical aspects of CVE-2021-36381, including the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The flaw in Edifecs Transaction Management lets unauthenticated users insert arbitrary text into a user's browser by accessing a specific URL (logon.jsp?logon_error=) on the login page.

Affected Systems and Versions

The vulnerability impacts Edifecs Transaction Management versions up to 2021-07-12, exposing users of these versions to potential exploitation.

Exploitation Mechanism

By leveraging the flaw in the login screen of the web application, malicious actors can inject unauthorized text into a victim's browser, posing a risk of XSS attacks and other security compromises.

Mitigation and Prevention

This section outlines the steps to mitigate the CVE-2021-36381 vulnerability and prevent potential exploitation.

Immediate Steps to Take

Users and organizations should apply security patches released by Edifecs promptly to address the vulnerability and prevent unauthorized text injection.

Long-Term Security Practices

Implementing robust security measures, such as input validation and secure coding practices, can help mitigate the risk of similar vulnerabilities in the future.

Patching and Updates

Regularly updating the Edifecs Transaction Management application to the latest version and staying informed about security advisories from the vendor are crucial for maintaining a secure environment.