CVE-2020-3278 : Security Advisory and Response

Cisco Small Business RV Series Routers Command Injection Vulnerabilities

Understanding CVE-2020-3278

This CVE involves multiple vulnerabilities in the web-based management interface of Cisco Small Business RV Series Routers, potentially allowing remote attackers to execute arbitrary commands with root privileges.

What is CVE-2020-3278?

The vulnerabilities in the routers' management interface could be exploited by authenticated remote attackers with administrative privileges to run arbitrary commands on the affected devices.

The Impact of CVE-2020-3278

The vulnerabilities could lead to unauthorized execution of commands with elevated privileges, posing a significant security risk to the affected systems.

Technical Details of CVE-2020-3278

Vulnerability Description

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

Affected Systems and Versions

Product: Cisco Small Business RV Series Router Firmware
Vendor: Cisco
Versions: Not applicable (n/a)

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: High
User Interaction: None
Scope: Unchanged
CVSS Score: 7.2 (High)
Impact: High impact on confidentiality, integrity, and availability

Mitigation and Prevention

Immediate Steps to Take

Apply vendor-provided patches promptly
Restrict network access to the management interface
Monitor for any suspicious activities on the network

Long-Term Security Practices

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

Patching and Updates

Refer to the vendor's security advisory for patch availability and installation instructions