CVE-2021-45890 : What You Need to Know

basic/BasicAuthProvider.java in AuthGuard before 0.9.0 allows authentication via an inactive identifier.

Understanding CVE-2021-45890

This CVE identifies a vulnerability in AuthGuard that permits authentication using an inactive identifier.

What is CVE-2021-45890?

The vulnerability resides in basic/BasicAuthProvider.java in AuthGuard versions prior to 0.9.0, enabling authentication through an inactive identifier.

The Impact of CVE-2021-45890

The issue allows unauthorized authentication via an inactive identifier, potentially exposing systems to unauthorized access and security breaches.

Technical Details of CVE-2021-45890

This section delves into the technical aspects of the CVE.

Vulnerability Description

AuthGuard before version 0.9.0 contains a flaw that enables authentication using an inactive identifier.

Affected Systems and Versions

Product: n/a
Vendor: n/a
Versions: Affected version - n/a

Exploitation Mechanism

The vulnerability can be exploited by attackers to authenticate using an inactive identifier, bypassing the intended authentication mechanism.

Mitigation and Prevention

Protecting systems from CVE-2021-45890 is crucial to maintaining security.

Immediate Steps to Take

Upgrade AuthGuard to version 0.9.0 or higher to mitigate the vulnerability.
Monitor authentication logs for any suspicious activities.
Implement multi-factor authentication for enhanced security.

Long-Term Security Practices

Regularly audit and update authentication mechanisms.
Conduct security training for staff on recognizing and reporting unauthorized access attempts.

Patching and Updates

Stay informed about security updates for AuthGuard.
Apply patches promptly to address known vulnerabilities.