CVE-2020-3451 Explained : Impact and Mitigation

Cisco Small Business RV340 Series Routers Command Injection and Remote Code Execution Vulnerabilities

Understanding CVE-2020-3451

Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV340 Series Routers could allow an authenticated, remote attacker with administrative credentials to execute arbitrary commands on the underlying operating system (OS) as a restricted user.

What is CVE-2020-3451?

Vulnerability in Cisco Small Business RV340 Series Routers
Allows authenticated remote attackers to execute arbitrary commands

The Impact of CVE-2020-3451

Base Score: 4.7 (Medium Severity)
Attack Vector: Network
Privileges Required: High
Low impact on confidentiality, integrity, and availability

Technical Details of CVE-2020-3451

Vulnerability Description

Command Injection and Remote Code Execution in Cisco RV340 Series Routers

Affected Systems and Versions

Product: Cisco Small Business RV Series Router Firmware
Vendor: Cisco
Version: n/a

Exploitation Mechanism

Attack Complexity: Low
User Interaction: None
Scope: Unchanged
Vector String: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

Mitigation and Prevention

Immediate Steps to Take

Apply vendor-provided patches and updates
Restrict network access to the management interface

Long-Term Security Practices

Regularly monitor for security advisories and updates
Implement strong authentication mechanisms

Patching and Updates

Stay informed about security best practices
Keep systems up to date with the latest firmware releases