Command Injection in Cisco Systems, Inc products - CVE-2022-20827
Published: August 4, 2022
Vulnerability identifier: #VU66106
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2022-20827
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco Small Business RV160 Series VPN Router
Cisco Small Business RV160W Wireless-AC VPN Router
Cisco Small Business RV260 VPN Router
Cisco Small Business RV260P VPN Router with POE
Cisco Small Business RV260W Wireless-AC 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
Cisco Small Business RV160 Series VPN Router
Cisco Small Business RV160W Wireless-AC VPN Router
Cisco Small Business RV260 VPN Router
Cisco Small Business RV260P VPN Router with POE
Cisco Small Business RV260W Wireless-AC 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 filter database update feature. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary commands on the target system with root privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2022-20827
Install updates from vendor's website.