CVE-2017-20039 : Exploit Details and Defense Strategies

A critical vulnerability has been discovered in version 0.32-05z of the SICUNET Access Controller, resulting in weak authentication. This vulnerability can be exploited remotely, though the specific area affected is not known.

Understanding CVE-2017-20039

This CVE identifies a critical vulnerability in the SICUNET Access Controller version 0.32-05z, leading to weak authentication.

What is CVE-2017-20039?

The CVE-2017-20039 vulnerability pertains to a hard-coded password issue in the SICUNET Access Controller version 0.32-05z, allowing for weak authentication and potential remote exploitation.

The Impact of CVE-2017-20039

The vulnerability has a CVSS base score of 9.8, indicating a critical severity level with high impacts on confidentiality, integrity, and availability of the affected system.

Technical Details of CVE-2017-20039

Vulnerability Description

Classified as very critical due to weak authentication caused by a hard-coded password in the SICUNET Access Controller 0.32-05z.

Affected Systems and Versions

Product: Access Controller
Vendor: SICUNET
Version: 0.32-05z

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: None
Scope: Unchanged
User Interaction: None
Availability Impact: High
Confidentiality Impact: High
Integrity Impact: High

Mitigation and Prevention

Immediate Steps to Take

Implement strong, unique passwords for all accounts on the Access Controller.
Monitor network traffic for any suspicious activity that could indicate an exploitation attempt.

Long-Term Security Practices

Regularly update the Access Controller software to patch known vulnerabilities.
Conduct security audits to identify and address any potential weaknesses in the system.

Patching and Updates

Apply patches and updates provided by SICUNET to address the hard-coded password vulnerability.