CVE-2021-1168 : Security Advisory and Response
Learn about CVE-2021-1168 impacting Cisco Small Business RV Series Router Firmware. Discover the risks, impacts, and mitigation strategies for this critical vulnerability.
Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow an authenticated, remote attacker to execute arbitrary code or cause an affected device to restart unexpectedly.
Understanding CVE-2021-1168
This CVE highlights critical vulnerabilities in Cisco Small Business RV Series Router Firmware, allowing attackers to execute arbitrary code or trigger denial of service remotely.
What is CVE-2021-1168?
The vulnerabilities in the web-based management interface of Cisco routers could be exploited by attackers with valid credentials, leading to code execution or device restart.
The Impact of CVE-2021-1168
The vulnerabilities can result in unauthorized code execution as a root user or device crashes, causing denial of service situations, affecting system availability, confidentiality, and integrity.
Technical Details of CVE-2021-1168
This section explores the key technical aspects of the CVE.
Vulnerability Description
The vulnerabilities stem from improper input validation in the routers' web-based management interface, allowing attackers to craft HTTP requests and execute arbitrary code.
Affected Systems and Versions
The affected products include Cisco Small Business RV Series Router Firmware across multiple versions.
Exploitation Mechanism
Attackers can exploit these vulnerabilities by sending specifically crafted HTTP requests to the targeted device, gaining unauthorized access.
Mitigation and Prevention
Preventive measures and actions to secure systems against CVE-2021-1168.
Immediate Steps to Take
Administrators are advised to ensure strict access controls, monitor network traffic, and restrict access to the vulnerable interfaces.
Long-Term Security Practices
Regular security assessments, applying network segmentation, and implementing intrusion detection systems can enhance long-term security.
Patching and Updates
Cisco is yet to release software updates addressing the vulnerabilities. Stay informed about official patches and apply them promptly for mitigation.