CVE-2021-1319 : Exploit Details and Defense Strategies
Learn about CVE-2021-1319 impacting Cisco Small Business RV Series Routers. Understand the risks, impact, and mitigation strategies for these critical vulnerabilities.
Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities were discovered in the web-based management interface of Cisco Small Business RV016, RV042, RV042G, RV082, RV320, and RV325 Routers. These vulnerabilities could allow an authenticated attacker to execute arbitrary code or trigger an unexpected device restart.
Understanding CVE-2021-1319
This CVE identifies multiple vulnerabilities that could compromise the security and availability of Cisco Small Business RV Series Routers.
What is CVE-2021-1319?
CVE-2021-1319 addresses the improper validation of user-supplied input in the web-based management interface of Cisco RV Series Routers, enabling attackers to execute arbitrary code as root users or cause a device to reload, leading to a denial of service condition.
The Impact of CVE-2021-1319
The vulnerabilities pose a high-severity risk with a CVSS base score of 7.2, allowing attackers to exploit the flaws with valid administrator credentials, resulting in potential execution of malicious code or device restart.
Technical Details of CVE-2021-1319
These technical details provide insights into the vulnerability description, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerabilities stem from the lack of proper validation of user input in the web-based management interface.
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 to the affected devices, requiring valid administrator credentials.
Mitigation and Prevention
Discover the immediate steps to take and long-term security practices to mitigate the risks posed by CVE-2021-1319.
Immediate Steps to Take
Immediately apply security patches provided by Cisco to address the vulnerabilities and prevent exploitation.
Long-Term Security Practices
Enforce strong password policies, regularly update firmware, and monitor network traffic to detect and prevent unauthorized access.
Patching and Updates
Stay informed about security updates from Cisco and promptly apply patches for ongoing protection against potential threats.