CVE-2021-1340 : What You Need to Know
Learn about CVE-2021-1340, multiple vulnerabilities in Cisco Small Business RV Series Routers' web-based management interface that could allow remote command execution and denial of service attacks. Find out the impact, affected systems, exploitation details, and mitigation steps.
Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV Series Routers could lead to remote command execution and denial of service. An attacker with valid administrator credentials could exploit these vulnerabilities, potentially causing severe impacts.
Understanding CVE-2021-1340
This CVE identifies multiple vulnerabilities in Cisco Small Business RV Series Routers, allowing remote attackers to execute arbitrary code or disrupt device operations.
What is CVE-2021-1340?
The CVE-2021-1340 relates to improper input validation in the web-based management interface of Cisco Small Business RV Series Routers, enabling attackers to execute arbitrary code or trigger device reloads.
The Impact of CVE-2021-1340
The vulnerabilities could result in severe consequences, including unauthorized execution of code as the root user or causing devices to restart unexpectedly, leading to denial of service conditions.
Technical Details of CVE-2021-1340
This section delves into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.
Vulnerability Description
The vulnerabilities stem from inadequate user input validation in the web-based management interface, facilitating the execution of arbitrary code or device restarts through 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 malicious HTTP requests to the targeted devices, necessitating valid administrator credentials for successful exploitation.
Mitigation and Prevention
Discover the immediate steps to take and long-term security practices to enhance device protection against CVE-2021-1340.
Immediate Steps to Take
It is crucial to apply security patches promptly, restrict network access, and monitor device logs for any suspicious activities.
Long-Term Security Practices
To mitigate such risks in the future, ensure regular security assessments, implement network segmentation, and educate users on cybersecurity best practices.
Patching and Updates
Frequently check for and install firmware updates provided by Cisco to address the CVE-2021-1340 vulnerabilities effectively.