Command Injection in Cisco Systems, Inc products - CVE-2021-1318

Vulnerability identifier: #VU50332

CSH Severity: Low

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2021-1318

CWE-ID: CWE-77

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Cisco RV016 Multi-WAN VPN Router
Cisco RV042 Dual WAN VPN Router
Cisco RV042G Dual Gigabit WAN VPN Router
Cisco RV082 Dual WAN VPN Router
Small Business RV320 Dual Gigabit WAN VPN Router
Small Business RV325 Dual Gigabit WAN VPN Router

Software vendor:
Cisco Systems, Inc

The vulnerability allows a remote user to execute arbitrary commands on the target system.

The vulnerability exists due to improper input validation in the web-based management interface. A remote administrator can send a specially crafted HTTP request and execute arbitrary commands on the target system.

Install updates from vendor's website.

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv-command-inject-BY4c5zd