CVE-2020-10603 : Security Advisory and Response

WebAccess/NMS (versions prior to 3.0.2) has a vulnerability that allows remote attackers to inject system commands due to improper input sanitization.

Understanding CVE-2020-10603

WebAccess/NMS is affected by an OS command injection vulnerability (CWE-78) that can be exploited by attackers to execute malicious commands remotely.

What is CVE-2020-10603?

This CVE refers to a security flaw in WebAccess/NMS versions prior to 3.0.2 that enables attackers to inject system commands remotely.

The Impact of CVE-2020-10603

The vulnerability in WebAccess/NMS could lead to unauthorized remote command execution, potentially compromising the system's integrity and confidentiality.

Technical Details of CVE-2020-10603

WebAccess/NMS is susceptible to an OS command injection vulnerability, allowing attackers to execute arbitrary commands on the target system.

Vulnerability Description

The issue arises from the lack of proper sanitization of user input, enabling malicious actors to inject and execute system commands remotely.

Affected Systems and Versions

Product: WebAccess/NMS
Vendor: n/a
Versions Affected: Prior to 3.0.2

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting specially crafted commands through user input fields, leading to unauthorized command execution.

Mitigation and Prevention

To address CVE-2020-10603, follow these mitigation strategies:

Immediate Steps to Take

Update WebAccess/NMS to version 3.0.2 or later to patch the vulnerability.
Implement input validation mechanisms to sanitize user inputs effectively.

Long-Term Security Practices

Regularly monitor and audit user inputs and system commands for any suspicious activities.
Educate users on safe input practices to prevent command injection attacks.

Patching and Updates

Stay informed about security updates and patches released by the vendor to address known vulnerabilities in WebAccess/NMS.