CVE-2021-1602 : Vulnerability Insights and Analysis
Discover the critical vulnerability in Cisco Small Business RV Series Router Firmware, allowing remote command execution on certain VPN routers. Take immediate mitigation steps.
A vulnerability in the web-based management interface of Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers allows remote attackers to execute arbitrary commands on affected devices, posing a high-risk security threat.
Understanding CVE-2021-1602
This CVE pertains to a critical security issue in Cisco Small Business RV Series Router Firmware that could enable unauthorized remote access to execute commands on vulnerable devices.
What is CVE-2021-1602?
CVE-2021-1602 identifies a flaw in the web-based management interface of certain Cisco routers, enabling attackers to send crafted requests and execute arbitrary commands on the device's operating system with root-level privileges.
The Impact of CVE-2021-1602
The vulnerability poses a high severity risk with a base CVSS score of 8.2, allowing attackers to exploit devices without authentication and perform unauthorized activities on affected systems.
Technical Details of CVE-2021-1602
This section delves into specific technical aspects of the CVE, including the vulnerability description, affected systems, and the exploitation mechanism.
Vulnerability Description
The vulnerability stems from insufficient input validation in the web-based management interface, enabling malicious actors to run arbitrary commands on the device.
Affected Systems and Versions
Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers with specific firmware versions are vulnerable to this exploit.
Exploitation Mechanism
Attackers can exploit the flaw by sending malicious requests to the management interface, gaining root-level access to execute commands on the underlying operating system.
Mitigation and Prevention
To address CVE-2021-1602, immediate steps must be taken to secure vulnerable devices and implement long-term security best practices to prevent future vulnerabilities.
Immediate Steps to Take
Ensure devices are updated with the latest patches and configurations to mitigate the risk of unauthorized access and command execution.
Long-Term Security Practices
Implement network segmentation, access controls, and regular security audits to proactively identify and address potential security gaps.
Patching and Updates
Regularly monitor vendor advisories and apply firmware updates provided by Cisco to address known vulnerabilities and enhance device security.