CVE-2021-1150 : What You Need to Know
Discover the impact of CVE-2021-1150, where attackers exploit command injection vulnerabilities in Cisco Small Business RV Series Routers. Learn about affected versions and mitigation steps.
Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV Series Routers could allow remote attackers to inject arbitrary commands with root privileges. Cisco has identified the vulnerabilities with a CVE ID of CVE-2021-1150.
Understanding CVE-2021-1150
This CVE describes command injection vulnerabilities in Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers. These vulnerabilities can be exploited by authenticated attackers to execute arbitrary code with root privileges.
What is CVE-2021-1150?
The CVE-2021-1150 vulnerability allows remote attackers to inject arbitrary commands via the web-based management interface of Cisco Small Business RV Series Routers. By sending crafted HTTP requests, attackers can execute code with root access on the target device.
The Impact of CVE-2021-1150
The impact of this vulnerability is rated as high, with a CVSS base score of 7.2. Attackers can achieve high confidentiality, integrity, and availability impact when exploiting these vulnerabilities. However, Cisco has not reported any public exploitation or malicious use cases.
Technical Details of CVE-2021-1150
Cisco Small Business RV Series Routers with firmware versions are affected by this vulnerability. The vulnerabilities stem from improper validation of user inputs within the web-based management interface.
Vulnerability Description
The vulnerabilities allow attackers to inject arbitrary commands, which are then executed with root privileges on the underlying operating system.
Affected Systems and Versions
The affected products include Cisco Small Business RV Series Router Firmware with version 'n/a'.
Exploitation Mechanism
To exploit CVE-2021-1150, attackers need valid administrator credentials on the targeted device. By sending specially crafted HTTP requests, attackers can inject and execute arbitrary commands with root privileges.
Mitigation and Prevention
As a preventative measure against CVE-2021-1150, users are advised to take immediate and long-term security actions to secure their Cisco Small Business RV Series Routers.
Immediate Steps to Take
Ensure that all administrative credentials are secure and follow Cisco's best practices for network security.
Long-Term Security Practices
Regularly monitor Cisco's security advisories and apply software updates promptly.
Patching and Updates
Cisco is yet to release software updates addressing CVE-2021-1150. Keep an eye on Cisco's official channels for patch releases and apply them as soon as they are available.