CVE-2021-1345 : What You Need to Know
Discover critical vulnerabilities in Cisco Small Business RV Series Routers allowing remote command execution. Learn the impact, affected systems, and mitigation steps.
A detailed overview of multiple vulnerabilities in the web-based management interface of Cisco Small Business RV Series Routers that could lead to remote command execution and denial of service attacks.
Understanding CVE-2021-1345
This CVE involves critical vulnerabilities in the Cisco Small Business RV Series Routers that could be exploited by an authenticated, remote attacker to execute arbitrary code or disrupt the device's operation.
What is CVE-2021-1345?
CVE-2021-1345 encompasses the improper validation of user-supplied input in the web-based management interface of Cisco Small Business RV016, RV042, RV042G, RV082, RV320, and RV325 Routers, allowing attackers to achieve remote command execution.
The Impact of CVE-2021-20657
These vulnerabilities have a high severity base score of 7.2, enabling attackers to execute arbitrary code as the root user or cause the device to restart unexpectedly, resulting in a denial of service (DoS) condition.
Technical Details of CVE-2021-1345
An insight into the vulnerability description, affected systems and versions, and the exploitation mechanism.
Vulnerability Description
The vulnerabilities are caused by improper validation of user-supplied input in the web-based management interface, allowing attackers to exploit the system by sending crafted HTTP requests.
Affected Systems and Versions
Cisco Small Business RV016, RV042, RV042G, RV082, RV320, and RV325 Routers are affected by these vulnerabilities.
Exploitation Mechanism
Attackers can exploit these vulnerabilities by sending crafted HTTP requests to an affected device, requiring valid administrator credentials for successful exploitation.
Mitigation and Prevention
Key steps to mitigate the impact of CVE-2021-1345 and practices to enhance long-term security.
Immediate Steps to Take
It is advised to implement security patches provided by Cisco to address these vulnerabilities and secure the affected devices.
Long-Term Security Practices
Regularly update firmware, monitor network traffic for signs of exploitation, and restrict network access to authorized personnel only.
Patching and Updates
Cisco has released security advisories and patches to mitigate the risks posed by CVE-2021-1345. Organizations should promptly apply these updates to secure their Cisco Small Business RV Series Routers.