CVE-2021-1178 : Security Advisory and Response
Learn about CVE-2021-1178 affecting Cisco Small Business RV Series routers. Find out the impact, technical details, and mitigation strategies for the identified vulnerabilities.
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-2021-1178
This CVE highlights security vulnerabilities in Cisco Small Business RV Series routers that could lead to remote command execution and denial of service.
What is CVE-2021-1178?
The vulnerabilities in the web-based management interface of Cisco Small Business RV Series routers allow attackers to execute arbitrary code or trigger device restarts through crafted HTTP requests.
The Impact of CVE-2021-1178
Successful exploitation could result in arbitrary code execution as a root user or device reload, causing denial of service conditions. Attackers require valid administrator credentials for exploitation.
Technical Details of CVE-2021-1178
The vulnerability is associated with CVE-2021-1178, affecting Cisco Small Business RV Series Router Firmware. It has a CVSS v3.1 base score of 7.2 (High severity).
Vulnerability Description
The flaws result from improper validation of user input in the web-based management interface, enabling remote code execution and DoS attacks.
Affected Systems and Versions
The affected products include Cisco Small Business RV Series Router Firmware, with all versions being susceptible to these vulnerabilities.
Exploitation Mechanism
Attackers can exploit these vulnerabilities by sending manipulated HTTP requests to target devices, necessitating valid administrator credentials for success.
Mitigation and Prevention
It is crucial to take immediate steps to secure systems and implement long-term security practices to mitigate the risks posed by CVE-2021-1178.
Immediate Steps to Take
Ensure that only authorized personnel have administrator privileges and monitor network traffic for any suspicious activity.
Long-Term Security Practices
Regularly update firmware and apply security patches provided by Cisco to address the vulnerabilities.
Patching and Updates
Cisco is yet to release software updates that specifically remediate the vulnerabilities associated with CVE-2021-1178.