CVE-2020-27129 : Exploit Details and Defense Strategies

A vulnerability in the remote management feature of Cisco SD-WAN vManage Software could allow an authenticated, local attacker to inject arbitrary commands and potentially gain elevated privileges.

Understanding CVE-2020-27129

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

What is CVE-2020-27129?

The vulnerability allows a local attacker to inject arbitrary commands due to improper validation of commands to the remote management CLI of the affected application.

The Impact of CVE-2020-27129

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 lead to elevated privileges for the attacker.

Technical Details of CVE-2020-27129

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows an authenticated, local attacker to inject arbitrary commands into the affected application's remote management CLI.

Affected Systems and Versions

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

Exploitation Mechanism

An attacker can exploit this vulnerability by sending malicious requests to the affected application, enabling them to inject arbitrary commands and potentially gain elevated privileges.

Mitigation and Prevention

Protecting systems from this vulnerability is crucial.

Immediate Steps to Take

Apply vendor-provided patches or updates promptly.
Monitor network traffic for any signs of exploitation.
Restrict access to the affected application to authorized personnel only.

Long-Term Security Practices

Regularly update and patch all software and applications.
Conduct security training for employees to recognize and report suspicious activities.

Patching and Updates

Ensure that the latest patches and updates from Cisco are applied to mitigate the vulnerability.