CVE-2021-1330 : What You Need to Know
Learn about CVE-2021-1330, a vulnerability in Cisco Small Business RV Series Routers that allows remote attackers to execute code or trigger denial of service. Find out the impact, technical details, and mitigation steps.
Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities
Understanding CVE-2021-1330
This CVE involves multiple vulnerabilities in the web-based management interface of Cisco Small Business RV Series Routers.
What is CVE-2021-1330?
The vulnerability allows an authenticated, remote attacker to execute arbitrary code or cause the affected device to restart unexpectedly due to improper input validation in the web-based interface.
The Impact of CVE-2021-1330
Exploiting this vulnerability could result in arbitrary code execution as the root user or denial of service condition.
Technical Details of CVE-2021-1330
This section provides specific technical details related to CVE-2021-1330.
Vulnerability Description
The vulnerabilities stem from inadequate validation of user-supplied input in the web-based management interface.
Affected Systems and Versions
Cisco Small Business RV016, RV042, RV042G, RV082, RV320, and RV325 Routers are affected by this vulnerability.
Exploitation Mechanism
An attacker can exploit these vulnerabilities by sending crafted HTTP requests to the affected device while having valid administrator credentials.
Mitigation and Prevention
Here are the necessary steps to mitigate and prevent the issues related to CVE-2021-1330.
Immediate Steps to Take
Ensure proper access controls, monitor network traffic, and apply security updates promptly to mitigate the risk.
Long-Term Security Practices
Regularly review and update security configurations, conduct security training for administrators, and implement intrusion detection systems.
Patching and Updates
Stay informed about security advisories from Cisco and apply patches as soon as they are released.