CVE-2021-1195 : What You Need to Know

Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow an authenticated, remote attacker to execute arbitrary code or cause an affected device to restart unexpectedly. This potential exploit could result in a denial of service (DoS) condition.

Understanding CVE-2021-1195

This CVE pertains to vulnerabilities found in Cisco Small Business RV Series Router Firmware.

What is CVE-2021-1195?

The vulnerabilities in the web-based management interface of Cisco Small Business RV Series Routers could be exploited by sending crafted HTTP requests. Successful exploitation could lead to arbitrary code execution or causing the device to reload, resulting in a DoS condition.

The Impact of CVE-2021-1195

The vulnerabilities pose a high impact on confidentiality, integrity, and availability, with a base score of 7.2, indicating a high severity issue.

Technical Details of CVE-2021-1195

Within the vulnerabilities are improper validation of user-supplied input, allowing an attacker to escalate privileges and execute code on the affected devices.

Vulnerability Description

The vulnerabilities arise due to improper input validation in the web-based management interface, enabling attackers to exploit the system.

Affected Systems and Versions

The affected products include Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers with unspecified versions.

Exploitation Mechanism

Attackers can exploit these vulnerabilities by sending crafted HTTP requests to the affected devices, requiring valid administrator credentials for successful execution.

Mitigation and Prevention

It is essential to take immediate steps to secure vulnerable systems and adopt long-term security practices.

Immediate Steps to Take

Organizations should ensure restricted access and monitor the network for any suspicious activities. Regularly review and modify administrator credentials to mitigate unauthorized access.

Long-Term Security Practices

Implement network segmentation, keep systems up to date with the latest security patches, and educate users on safe browsing practices to enhance overall security posture.

Patching and Updates

As of the latest information, Cisco has not released software updates to address the vulnerabilities. Organizations are advised to stay informed about any future patches and promptly apply them to mitigate the risks.