CVE-2020-3171 Explained : Impact and Mitigation

A vulnerability in the local management (local-mgmt) CLI of Cisco FXOS Software and Cisco UCS Manager Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system (OS) of an affected device.

Understanding CVE-2020-3171

This CVE involves a command injection vulnerability in Cisco FXOS Software and Cisco UCS Manager Software.

What is CVE-2020-3171?

The vulnerability allows a local attacker to run arbitrary commands on the device's OS due to insufficient input validation.

The Impact of CVE-2020-3171

CVSS Base Score: 7.8 (High Severity)
Attack Vector: Local
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High
Privileges Required: Low
Scope: Unchanged
User Interaction: None

Technical Details of CVE-2020-3171

This section provides more in-depth technical information about the vulnerability.

Vulnerability Description

The vulnerability arises from inadequate input validation, enabling attackers to execute commands with the user's privileges.

Affected Systems and Versions

Affected Product: Cisco Adaptive Security Appliance (ASA) Software
Vendor: Cisco
Affected Versions: Unspecified

Exploitation Mechanism

Attackers can exploit the vulnerability by injecting crafted arguments into specific commands, gaining unauthorized access.

Mitigation and Prevention

Protecting systems from this vulnerability requires immediate actions and long-term security practices.

Immediate Steps to Take

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

Long-Term Security Practices

Regularly update and patch software and firmware.
Conduct security training for staff to recognize and report suspicious activities.

Patching and Updates

Regularly check for security advisories and updates from Cisco to address this vulnerability.