CVE-2021-1162 : Vulnerability Insights and Analysis
Learn about CVE-2021-1162 affecting Cisco Small Business RV Series Routers, allowing remote code execution and denial of service attacks. Understand the impacts and how to mitigate.
Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV Series Routers could allow a remote attacker to execute arbitrary code or cause a denial of service. Learn more about the impact and mitigation strategies for CVE-2021-1162.
Understanding CVE-2021-1162
Cisco Small Business RV Series Routers are vulnerable to remote command execution and denial of service attacks due to improper validation of user input in the web-based management interface.
What is CVE-2021-1162?
The vulnerabilities in Cisco Small Business RV Series Routers allow an authenticated remote attacker to execute arbitrary code as the root user or cause a device to reload, resulting in a denial of service.
The Impact of CVE-2021-1162
With a CVSS base score of 7.2, these vulnerabilities can have a high impact on confidentiality, integrity, and availability. An attacker with valid administrator credentials can exploit these issues.
Technical Details of CVE-2021-1162
The vulnerability arises from improper validation of user-supplied input in the web-based management interface of Cisco Small Business RV Series Routers.
Vulnerability Description
The vulnerabilities could be exploited by sending crafted HTTP requests to the affected device, allowing an attacker to execute arbitrary code or cause a denial of service.
Affected Systems and Versions
Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers are affected by these vulnerabilities.
Exploitation Mechanism
An attacker needs valid administrator credentials to exploit these vulnerabilities through crafted HTTP requests.
Mitigation and Prevention
To secure your network against CVE-2021-1162, consider the following mitigation strategies:
Immediate Steps to Take
- Implement strict access control measures to limit administrator privileges.
- Monitor network traffic for any suspicious activities.
Long-Term Security Practices
- Regularly update firmware and apply patches released by Cisco.
- Educate users and administrators about safe browsing practices.
Patching and Updates
As of the latest update, Cisco has not released software updates addressing these vulnerabilities.