CVE-2021-1317 : Vulnerability Insights and Analysis
Learn about CVE-2021-1317, multiple vulnerabilities in Cisco Small Business RV Series Routers allowing attackers to execute arbitrary commands with root privileges. Understand the impact, technical details, and mitigation strategies.
Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV Series Routers could allow an authenticated, remote attacker to inject arbitrary commands with root privileges. This article provides an overview of CVE-2021-1317, its impact, technical details, and mitigation strategies.
Understanding CVE-2021-1317
This section delves into the details of the CVE-2021-1317 vulnerability affecting Cisco Small Business RV Series Routers.
What is CVE-2021-1317?
CVE-2021-1317 refers to multiple vulnerabilities in the web-based management interface of specific Cisco Small Business RV Series Routers that enable attackers to execute commands with root privileges through crafted HTTP requests.
The Impact of CVE-2021-1317
The impact of CVE-2021-1317 is rated as high, with a CVSS base score of 7.2. These vulnerabilities could be exploited by remote attackers with valid administrator credentials to execute arbitrary code as the root user.
Technical Details of CVE-2021-1317
This section outlines the technical details of the CVE-2021-1317 vulnerability, including the description, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerabilities are a result of improper validation of user input in the web-based management interface, allowing attackers to inject arbitrary commands with root privileges.
Affected Systems and Versions
The affected products include Cisco Small Business RV016, RV042, RV042G, RV082, RV320, and RV325 Routers.
Exploitation Mechanism
Attackers can exploit these vulnerabilities by sending crafted HTTP requests, requiring valid administrator credentials on the targeted device.
Mitigation and Prevention
This section provides guidance on immediate steps to take and long-term security practices to mitigate the risks posed by CVE-2021-1317.
Immediate Steps to Take
Users are advised to apply security updates provided by Cisco to address the vulnerabilities promptly. Additionally, restricting network access to the management interface can reduce the attack surface.
Long-Term Security Practices
Implementing strong password policies, regularly monitoring network traffic for suspicious activities, and keeping systems up to date with the latest patches are essential for long-term security.
Patching and Updates
Ensure that all affected Cisco Small Business RV Series Routers are updated with the latest firmware releases to eliminate the vulnerabilities.