CVE-2023-43901 Explained : Impact and Mitigation

A security vulnerability has been identified in EMSigner v2.8.7 that allows unauthenticated attackers to manipulate usernames and privileges through the AdHoc User creation form.

Understanding CVE-2023-43901

This section delves into the details of the CVE-2023-43901 vulnerability.

What is CVE-2023-43901?

CVE-2023-43901 highlights an incorrect access control issue in EMSigner v2.8.7, enabling unauthorized users to modify usernames and privileges by leveraging a registered user's email address.

The Impact of CVE-2023-43901

The impact of this vulnerability can lead to unauthorized access, privilege escalation, and potential data breaches.

Technical Details of CVE-2023-43901

Explore the technical aspects of CVE-2023-43901 in this section.

Vulnerability Description

The vulnerability stems from inadequate access controls in the AdHoc User creation form, facilitating unauthorized users to manipulate user data.

Affected Systems and Versions

All instances of EMSigner v2.8.7 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by utilizing the email address of a legitimate user to modify usernames and permissions.

Mitigation and Prevention

Learn how to mitigate and prevent exploitation of CVE-2023-43901.

Immediate Steps to Take

It is crucial to restrict access to the AdHoc User creation form and conduct a security audit to ensure no unauthorized changes have been made.

Long-Term Security Practices

Implement strict access controls, conduct regular security assessments, and educate users on safe practices to enhance overall security posture.

Patching and Updates

Ensure that EMSigner is updated to a secure version that addresses this vulnerability.