CVE-2020-3277 : Vulnerability Insights and Analysis

Cisco Small Business RV Series Routers Command Injection Vulnerabilities

Understanding CVE-2020-3277

This CVE involves multiple vulnerabilities in the web-based management interface of Cisco Small Business RV Series Routers.

What is CVE-2020-3277?

The vulnerabilities could allow a remote attacker with administrative privileges to execute arbitrary commands on the affected device by exploiting the web-based management interface.

The Impact of CVE-2020-3277

The vulnerabilities could lead to an attacker executing arbitrary commands with root privileges on the underlying operating system, posing a significant security risk.

Technical Details of CVE-2020-3277

This section provides more in-depth technical details regarding the CVE.

Vulnerability Description

The vulnerabilities stem from inadequate validation of user-supplied input to scripts in the web-based management interface, enabling attackers to send malicious requests and execute commands.

Affected Systems and Versions

Product: Cisco Small Business RV Series Router Firmware
Vendor: Cisco
Versions: Not Applicable

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: High
User Interaction: None
Impact: High severity with confidentiality, integrity, and availability impacts

Mitigation and Prevention

Protecting against CVE-2020-3277 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-provided patches and updates promptly
Restrict access to the web-based management interface
Monitor network traffic for any suspicious activity

Long-Term Security Practices

Regularly update and patch all network devices
Implement strong authentication mechanisms
Conduct security audits and assessments periodically

Patching and Updates

Refer to the vendor advisory for specific patch details and instructions