CVE-2021-1473 : Security Advisory and Response

Multiple vulnerabilities exist in the web-based management interface of Cisco Small Business RV Series Routers, allowing remote attackers to execute arbitrary commands, bypass authentication, and upload files. The Base Score for this vulnerability is 5.3, categorizing it as medium severity.

Understanding CVE-2021-1473

This CVE involves multiple vulnerabilities in Cisco Small Business RV Series Routers that could be exploited by remote attackers to compromise the affected devices.

What is CVE-2021-1473?

CVE-2021-1473 refers to the security issues present in the web-based management interface of Cisco Small Business RV Series Routers. These vulnerabilities could enable threat actors to perform unauthorized actions on the device.

The Impact of CVE-2021-1473

The impact of CVE-2021-1473 is categorized as medium severity, with a Base Score of 5.3. If exploited, attackers could execute arbitrary commands, bypass authentication, and upload files remotely.

Technical Details of CVE-2021-1473

This section dives into the technical aspects of the CVE, describing the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerabilities in Cisco Small Business RV Series Routers allow remote attackers to execute commands, bypass authentication, and upload files on the impacted devices.

Affected Systems and Versions

The affected product is the Cisco Small Business RV Series Router Firmware with a version status of n/a.

Exploitation Mechanism

The exploit involves leveraging the vulnerabilities in the web-based management interface to execute arbitrary commands, bypass authentication, and upload malicious files.

Mitigation and Prevention

To protect your systems from CVE-2021-1473, it's crucial to implement immediate steps and long-term security practices.

Immediate Steps to Take

Immediately update the firmware of Cisco Small Business RV Series Routers to the patched versions provided by Cisco. Ensure proper configuration of access control and monitoring for any suspicious activities.

Long-Term Security Practices

Establish a robust cybersecurity framework that includes regular security audits, employee training on best practices, and proactive monitoring of network traffic.

Patching and Updates

Stay informed about security advisories from Cisco and promptly apply patches or updates released to address vulnerabilities like the ones in CVE-2021-1473.