CVE-2021-1459 : Exploit Details and Defense Strategies
Discover critical details about CVE-2021-1459 affecting Cisco Small Business RV Series Routers. Learn about the impact, technical description, affected systems, and mitigation steps.
A vulnerability in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to improper validation of user-supplied input in the web-based management interface.
Understanding CVE-2021-1459
This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-1459.
What is CVE-2021-1459?
The vulnerability in Cisco Small Business RV Series Routers allows remote attackers to execute code on the affected device. Successful exploitation could grant the attacker root access to the operating system.
The Impact of CVE-2021-1459
The vulnerability carries a CVSS base score of 9.8 out of 10, indicating a critical severity level with high confidentiality, integrity, and availability impacts.
Technical Details of CVE-2021-1459
Here are the key technical details associated with CVE-2021-1459:
Vulnerability Description
The vulnerability arises from inadequate validation of user inputs on the web-based management interface, enabling attackers to send crafted HTTP requests and execute arbitrary code.
Affected Systems and Versions
Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers firmware versions are affected.
Exploitation Mechanism
Attackers can exploit this vulnerability remotely by sending malicious HTTP requests to the targeted device, potentially leading to unauthorized code execution.
Mitigation and Prevention
Understanding the mitigation steps and long-term security practices for CVE-2021-1459 is crucial in preventing exploitation.
Immediate Steps to Take
As Cisco has not released software updates to address this vulnerability, users are advised to implement network security measures like firewall rules and access controls.
Long-Term Security Practices
Regularly monitor Cisco's security advisories and promptly apply patches once they are made available to safeguard against potential threats.
Patching and Updates
Stay informed about security updates from Cisco and ensure timely application to mitigate the risks associated with CVE-2021-1459.