CVE-2020-3112 : Vulnerability Insights and Analysis

A vulnerability in the REST API endpoint of Cisco Data Center Network Manager (DCNM) could allow an authenticated, remote attacker to elevate privileges on the application.

Understanding CVE-2020-3112

This CVE involves a privilege escalation vulnerability in Cisco Data Center Network Manager (DCNM).

What is CVE-2020-3112?

The vulnerability in the REST API endpoint of Cisco DCNM allows a remote attacker with low-privilege access to elevate their privileges by sending a crafted request to the API.

The Impact of CVE-2020-3112

CVSS Base Score: 8.8 (High Severity)
Attack Vector: Network
Confidentiality, Integrity, and Availability Impact: High
Privileges Required: Low
Successful exploitation could grant administrative privileges to the attacker.

Technical Details of CVE-2020-3112

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability is a result of insufficient access control validation in the REST API endpoint of Cisco DCNM.

Affected Systems and Versions

Affected Product: Cisco Data Center Network Manager
Vendor: Cisco
Affected Version: Unspecified

Exploitation Mechanism

Attacker authenticates with a low-privilege account
Sends a crafted request to the API to exploit the vulnerability

Mitigation and Prevention

Protecting systems from CVE-2020-3112 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-provided patches or updates promptly
Monitor network traffic for any suspicious activity
Restrict access to the affected API endpoints

Long-Term Security Practices

Regularly update and patch software and systems
Conduct security training for staff on access control and API security best practices

Patching and Updates

Cisco has released patches to address the vulnerability
Ensure all DCNM installations are updated to the latest version