CVE-2019-1972 : Vulnerability Insights and Analysis

Cisco Enterprise NFV Infrastructure Software (NFVIS) has a vulnerability that allows an authenticated local attacker to gain higher privileges and execute commands as root.

Understanding CVE-2019-1972

The vulnerability in Cisco Enterprise NFV Infrastructure Software allows an attacker with valid administrator-level credentials to escalate privileges and run commands as root.

What is CVE-2019-1972?

The vulnerability in the restricted CLI of Cisco NFVIS enables an attacker to execute any command on the underlying operating system as root by exploiting inadequate restrictions during the execution of a specific CLI command.

The Impact of CVE-2019-1972

The vulnerability has a CVSS base score of 6.7, indicating a medium severity issue with high impacts on confidentiality, integrity, and availability. An attacker could potentially gain full control over the system.

Technical Details of CVE-2019-1972

The technical aspects of the vulnerability in Cisco Enterprise NFV Infrastructure Software.

Vulnerability Description

An authenticated local attacker with valid administrator-level credentials can exploit the restricted CLI vulnerability to elevate privileges and execute arbitrary commands as root.

Affected Systems and Versions

Product: Cisco Enterprise NFV Infrastructure Software
Vendor: Cisco
Versions: Unspecified

Exploitation Mechanism

The attacker leverages insufficient restrictions during the execution of a specific CLI command to escalate privileges and execute commands as root.

Mitigation and Prevention

Steps to mitigate and prevent the exploitation of CVE-2019-1972.

Immediate Steps to Take

Cisco recommends applying the necessary updates and patches provided by the vendor.
Monitor network traffic for any suspicious activity that could indicate an exploit attempt.

Long-Term Security Practices

Implement the principle of least privilege to restrict user access and permissions.
Regularly review and update security configurations to address vulnerabilities promptly.

Patching and Updates

Stay informed about security advisories from Cisco and apply patches promptly to address known vulnerabilities.