CVE-2021-44848 : Security Advisory and Response

In Cibele Thinfinity VirtualUI before 3.0, there is a vulnerability where the /changePassword endpoint provides different responses for invalid authentication requests depending on whether the username exists.

Understanding CVE-2021-44848

In this section, we will delve into the details of CVE-2021-44848.

What is CVE-2021-44848?

CVE-2021-44848 is a vulnerability found in Cibele Thinfinity VirtualUI before version 3.0. It allows attackers to differentiate between existing and non-existing usernames through the /changePassword endpoint responses.

The Impact of CVE-2021-44848

This vulnerability can aid attackers in user enumeration, potentially leading to targeted attacks and unauthorized access to sensitive information.

Technical Details of CVE-2021-44848

Let's explore the technical aspects of CVE-2021-44848.

Vulnerability Description

The /changePassword endpoint in Cibele Thinfinity VirtualUI before 3.0 exhibits varied responses for authentication requests, disclosing information about the existence of usernames.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Not applicable

Exploitation Mechanism

By analyzing the responses from the /changePassword endpoint, malicious actors can determine valid user accounts, facilitating targeted attacks.

Mitigation and Prevention

Discover how to mitigate the risks associated with CVE-2021-44848.

Immediate Steps to Take

Update to version 3.0 or above of Cibele Thinfinity VirtualUI to eliminate the vulnerability.
Regularly monitor and analyze authentication response patterns for suspicious activities.

Long-Term Security Practices

Implement multi-factor authentication to enhance user verification.
Conduct security audits and penetration testing to identify and address any vulnerabilities proactively.

Patching and Updates

Ensure timely installation of security patches and updates to safeguard against known vulnerabilities.