CVE-2020-11561 Explained : Impact and Mitigation

In NCH Express Invoice 7.25, an authenticated low-privilege user can enter a crafted URL to access higher-privileged functionalities such as the "Add New Item" screen.

Understanding CVE-2020-11561

This CVE identifies a security vulnerability in NCH Express Invoice version 7.25 that allows low-privilege users to gain unauthorized access to higher-privileged features.

What is CVE-2020-11561?

The vulnerability in NCH Express Invoice 7.25 enables authenticated low-privilege users to manipulate URLs and access functionalities reserved for higher-privileged users.

The Impact of CVE-2020-11561

Exploitation of this vulnerability can lead to unauthorized access to sensitive features and data, potentially compromising the integrity and confidentiality of the system.

Technical Details of CVE-2020-11561

NCH Express Invoice 7.25 is susceptible to an authorization bypass vulnerability that allows low-privilege users to escalate their privileges.

Vulnerability Description

An authenticated low-privilege user can exploit a crafted URL to access higher-privileged functionalities, such as the "Add New Item" screen, without proper authorization.

Affected Systems and Versions

Product: NCH Express Invoice
Version: 7.25

Exploitation Mechanism

An authenticated low-privilege user manipulates URLs to access restricted functionalities.

Mitigation and Prevention

To address CVE-2020-11561, users and administrators should take immediate and long-term security measures.

Immediate Steps to Take

Upgrade to a patched version of NCH Express Invoice to mitigate the vulnerability.
Monitor user activities and access to detect any unauthorized behavior.

Long-Term Security Practices

Implement least privilege access controls to restrict user permissions.
Regularly review and update security configurations to prevent similar vulnerabilities.

Patching and Updates

Apply security patches and updates provided by NCH Software to fix the vulnerability.