Command Injection in Cisco Systems, Inc products - CVE-2021-1473
Published: April 8, 2021 / Updated: February 1, 2022
Vulnerability identifier: #VU51987
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2021-1473
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Cisco Systems, Inc
Affected software:
Cisco RV340 Dual WAN Gigabit VPN Router
Cisco RV340W Dual WAN Gigabit Wireless-AC VPN Router
Cisco RV345 Dual WAN Gigabit VPN Router
Cisco RV345P Dual WAN Gigabit VPN Router
Cisco RV340 Dual WAN Gigabit VPN Router
Cisco RV340W Dual WAN Gigabit Wireless-AC VPN Router
Cisco RV345 Dual WAN Gigabit VPN Router
Cisco RV345P Dual WAN Gigabit VPN Router
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary commands on the target system.
The vulnerability exists due to improper input validation in the web-based management interface. A remote attacker can pass specially crafted data to the application and execute arbitrary commands on the target system.
How to mitigate CVE-2021-1473
Install updates from vendor's website.