CVE-2020-3453 : Security Advisory and Response

Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV340 Series Routers could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system.

Understanding CVE-2020-3453

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

What is CVE-2020-3453?

CVE-2020-3453 refers to multiple vulnerabilities in the web-based management interface of Cisco Small Business RV340 Series Routers that could be exploited by an authenticated remote attacker to execute arbitrary commands on the underlying operating system.

The Impact of CVE-2020-3453

These vulnerabilities could allow an attacker with administrative credentials to execute commands on the OS as a restricted user, potentially leading to unauthorized access and control of the system.

Technical Details of CVE-2020-3453

Vulnerability Description The vulnerabilities in the web-based management interface of Cisco Small Business RV340 Series Routers allow for command injection and remote code execution by an authenticated attacker. Affected Systems and Versions

Product: Cisco Small Business RV Series Router Firmware
Vendor: Cisco
Version: n/a Exploitation Mechanism
Attack Complexity: Low
Attack Vector: Network
Privileges Required: High
User Interaction: None
Scope: Unchanged
CVSS Base Score: 4.7 (Medium Severity)

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by Cisco to address the vulnerabilities.
Restrict network access to the management interface of the affected routers. Long-Term Security Practices
Regularly monitor for security advisories and updates from Cisco.
Implement strong authentication mechanisms and access controls to prevent unauthorized access. Patching and Updates
Stay informed about security updates and patches released by Cisco for the affected products.