CVE-2020-3388 : Security Advisory and Response

A vulnerability in the CLI of Cisco SD-WAN vManage Software could allow an authenticated, local attacker to inject arbitrary commands that are executed with root privileges.

Understanding CVE-2020-3388

This CVE involves a command injection vulnerability in Cisco SD-WAN vManage Software.

What is CVE-2020-3388?

The vulnerability allows an authenticated attacker to execute commands with root privileges by injecting crafted input to the CLI due to insufficient input validation.

The Impact of CVE-2020-3388

CVSS Base Score: 7.8 (High Severity)
Attack Vector: Local
Attack Complexity: Low
Privileges Required: Low
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Technical Details of CVE-2020-3388

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in Cisco SD-WAN vManage Software allows an attacker to execute commands with root privileges through the CLI.

Affected Systems and Versions

Affected Product: Cisco SD-WAN vManage
Vendor: Cisco
Affected Version: n/a

Exploitation Mechanism

The attacker needs to be authenticated to the device and submit crafted input to the CLI to exploit this vulnerability.

Mitigation and Prevention

Protect your systems from CVE-2020-3388 with these steps:

Immediate Steps to Take

Implement the recommended patches from the vendor.
Monitor network traffic for any suspicious activities.
Restrict access to the CLI to authorized personnel only.

Long-Term Security Practices

Regularly update and patch all software and firmware.
Conduct security training for employees on best practices to prevent unauthorized access.

Patching and Updates

Ensure timely installation of security patches and updates provided by Cisco to mitigate the vulnerability.