CVE-2023-20118: Cisco Small Business RV Series Routers Command Injection Vulnerability
A vulnerability in the web-based management interface of Cisco Small Business Routers RV016, RV042, RV042G, RV082, RV320, and RV325 Routers could allow an authenticated, remote attacker to execute arbitrary commands on an affected device. This vulnerability is due to improper validation of user input within incoming HTTP packets. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web-based management interface. A successful exploit could allow the attacker to gain root-level privileges and access unauthorized data. To exploit this vulnerability, an attacker would need to have valid administrative credentials on the affected device. Cisco has not and will not release software updates that address this vulnerability.
Other sources
Multiple Cisco Small Business RV Series Routers contains a command injection vulnerability in the web-based management interface. Successful exploitation could allow an authenticated, remote attacker to gain root-level privileges and access unauthorized data.
— CISA
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Compensating control
Follow applicable BOD 22-01 guidance for cloud services.
- Compensating control
Discontinue use of affected Cisco Small Business Routers (RV016, RV042, RV042G, RV082, RV320, RV325) if mitigations are unavailable.
Event History
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2023-20118.
What is the severity of CVE-2023-20118?
The severity of CVE-2023-20118 is high.
What is the affected software of CVE-2023-20118?
The affected software of CVE-2023-20118 includes Cisco Small Business Routers RV016, RV042, RV042G, RV082, RV320, and RV325 Routers.
How can an attacker exploit CVE-2023-20118?
An attacker can exploit CVE-2023-20118 by executing arbitrary commands on an affected device through the web-based management interface.
Is there a fix available for CVE-2023-20118?
Yes, Cisco has released a security advisory with fixes for CVE-2023-20118. Please refer to the Cisco Security Advisory for more information.