CVE-2017-6681 Explained : Impact and Mitigation

Cisco Ultra Services Framework AutoVNF VNFStagingView class contains a security flaw allowing unauthorized access to sensitive files through a relative path traversal attack.

Understanding CVE-2017-6681

What is CVE-2017-6681?

CVE-2017-6681 is a vulnerability in Cisco Ultra Services Framework that enables an attacker to execute a relative path traversal attack, potentially leading to unauthorized access to critical system files.

The Impact of CVE-2017-6681

This vulnerability could result in information disclosure, allowing attackers to read sensitive data on the system, posing a significant risk to confidentiality and system integrity.

Technical Details of CVE-2017-6681

Vulnerability Description

The AutoVNF VNFStagingView class in Cisco Ultra Services Framework is susceptible to a relative path traversal attack, which can be exploited by unauthorized remote attackers to access sensitive files.

Affected Systems and Versions

Product: Cisco Ultra Services Framework
Affected Version: 21.0.0 and potentially other releases

Exploitation Mechanism

Attackers can exploit this vulnerability to gain unauthorized access to sensitive files on the system.

Mitigation and Prevention

Immediate Steps to Take

Apply the necessary security patches provided by Cisco to address this vulnerability.
Monitor network traffic for any suspicious activities that may indicate exploitation attempts.

Long-Term Security Practices

Regularly update and patch all software and systems to prevent known vulnerabilities.
Implement access controls and restrictions to limit unauthorized access to critical files.

Patching and Updates

Cisco has released security updates to mitigate the vulnerability. Ensure timely installation of these patches to secure the system.