CVE-2021-1217 : Vulnerability Insights and Analysis
Discover multiple vulnerabilities in Cisco Small Business RV Series Router Firmware that allow attackers to execute arbitrary code or launch denial of service attacks. Learn the impact, mitigation steps, and preventive measures.
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.
Understanding CVE-2021-1217
This article provides insights into the CVE-2021-1217 vulnerability affecting Cisco Small Business RV Series Router Firmware.
What is CVE-2021-1217?
CVE-2021-1217 highlights multiple vulnerabilities in Cisco Small Business RV Series Router Firmware that could lead to remote command execution and denial of service attacks.
The Impact of CVE-2021-1217
The vulnerabilities could enable an attacker to execute malicious code as the root user or cause a denial of service on affected devices, compromising their integrity, confidentiality, and availability.
Technical Details of CVE-2021-1217
Here are the technical aspects of the CVE-2021-1217 vulnerability:
Vulnerability Description
The vulnerabilities arise from improper validation of user-supplied input in the web-based management interface, allowing attackers to exploit the system via crafted HTTP requests.
Affected Systems and Versions
Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers are affected by these vulnerabilities, with no specific affected versions mentioned.
Exploitation Mechanism
Attackers can leverage these vulnerabilities by sending manipulated HTTP requests to the targeted device, requiring valid administrator credentials for successful exploitation.
Mitigation and Prevention
To safeguard your systems against CVE-2021-1217, follow these security measures:
Immediate Steps to Take
Implement strong access controls, monitor network traffic for suspicious activities, and restrict access to vulnerable devices.
Long-Term Security Practices
Regularly update router firmware, apply security patches promptly, conduct security assessments, and employ network segmentation to minimize attack surfaces.
Patching and Updates
Stay informed about software updates from Cisco to address these vulnerabilities effectively and enhance the security posture of your network.