#VU66597 OS Command Injection in Cisco AsyncOS for Web Security Appliances - CVE-2022-20871
Published: August 17, 2022
Vulnerability identifier: #VU66597
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-20871
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco AsyncOS for Web Security Appliances
Cisco AsyncOS for Web Security Appliances
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
The vulnerability allows a remote user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation within the web interface. A remote user can send a specially crafted HTTP request to the affected device and execute arbitrary OS commands with root privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.