CVE-2019-1946 Explained : Impact and Mitigation

A vulnerability in the web-based management interface of Cisco Enterprise NFV Infrastructure Software (NFVIS) allows unauthorized remote attackers to bypass authentication and gain restricted access.

Understanding CVE-2019-1946

This CVE involves an authentication bypass vulnerability in Cisco Enterprise NFV Infrastructure Software.

What is CVE-2019-1946?

The vulnerability in the web-based management interface of Cisco NFVIS enables attackers to evade authentication and access restricted parts of the interface.

The Impact of CVE-2019-1946

The vulnerability allows attackers to view partial configuration details and potentially upload a virtual machine image.

Technical Details of CVE-2019-1946

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The flaw lies in an inaccurate implementation of authentication within the web-based management interface.

Affected Systems and Versions

Product: Cisco Enterprise NFV Infrastructure Software
Vendor: Cisco
Versions Affected: Less than 3.10.1 (unspecified version type)

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: None
User Interaction: None
CVSS Base Score: 6.5 (Medium Severity)
Vector String: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Mitigation and Prevention

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

Immediate Steps to Take

Apply vendor-provided patches or updates promptly.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Regularly update and patch software to prevent vulnerabilities.
Implement strong network security measures to detect and prevent unauthorized access.

Patching and Updates

Cisco has likely released patches to address this vulnerability. Ensure all systems are updated with the latest security fixes.