CVE-2020-3380 : What You Need to Know

A vulnerability in the CLI of Cisco Data Center Network Manager (DCNM) could allow an authenticated, local attacker to elevate privileges to root and execute arbitrary commands on the underlying operating system.

Understanding CVE-2020-3380

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

What is CVE-2020-3380?

The vulnerability in the CLI of Cisco DCNM allows an authenticated local attacker to escalate privileges to root and run arbitrary commands due to insufficient restrictions during the execution of a specific CLI command.

The Impact of CVE-2020-3380

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
Scope: Unchanged
User Interaction: None

Technical Details of CVE-2020-3380

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows an attacker to authenticate as the fmserver user and execute malicious commands, leading to privilege escalation to root.

Affected Systems and Versions

Affected Product: Cisco Data Center Network Manager
Vendor: Cisco
Affected Version: Not applicable

Exploitation Mechanism

The attacker needs to authenticate as the fmserver user and submit malicious input to a specific command to exploit the vulnerability.

Mitigation and Prevention

Protect your systems from CVE-2020-3380 with the following steps:

Immediate Steps to Take

Apply vendor patches and updates promptly.
Monitor network traffic for signs of exploitation.
Restrict access to vulnerable systems.

Long-Term Security Practices

Implement the principle of least privilege.
Conduct regular security training for employees.
Keep systems and software up to date.

Patching and Updates

Cisco has released patches to address this vulnerability.
Regularly check for updates and apply them to ensure system security.