CVE-2019-12717 : Vulnerability Insights and Analysis

A weakness has been identified in a CLI command connected to the virtualization manager (VMAN) in Cisco NX-OS Software, allowing a local attacker to execute arbitrary commands with root privileges.

Understanding CVE-2019-12717

This CVE involves a vulnerability in Cisco NX-OS Software that could lead to a complete system compromise if exploited.

What is CVE-2019-12717?

The vulnerability in a specific VMAN CLI command allows a local attacker with authentication to run arbitrary commands on the underlying Linux OS with root privileges.

The Impact of CVE-2019-12717

CVSS Base Score: 6.7 (Medium Severity)
Attack Vector: Local
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High
Privileges Required: High
Successful exploitation could result in complete system compromise.

Technical Details of CVE-2019-12717

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises from inadequate verification of arguments passed to a specific VMAN CLI command on affected devices.

Affected Systems and Versions

Affected Product: Cisco NX-OS Software 5.0(3)A1(1)
Vendor: Cisco
Version: Unspecified

Exploitation Mechanism

To exploit this vulnerability, an attacker needs to insert malicious input as the argument for the affected command, requiring valid administrator credentials.

Mitigation and Prevention

Protecting systems from this vulnerability requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-provided patches and updates promptly.
Monitor network traffic for signs of exploitation.
Restrict access to vulnerable systems.

Long-Term Security Practices

Regularly update and patch software and firmware.
Implement the principle of least privilege to limit access rights.

Patching and Updates

Cisco has likely released patches to address this vulnerability. Ensure all relevant patches are applied promptly.