OS Command Injection in Cisco AsyncOS for Secure Web Appliance - CVE-2022-20871
Published: August 17, 2022
Vulnerability identifier: #VU66597
CSH Severity: Medium
CVSS v4: 5.3 [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]
CVE-ID: CVE-2022-20871
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Cisco AsyncOS for Secure Web Appliance
How to mitigate CVE-2022-20871
Install updates from vendor's website.
Cisco AsyncOS for Secure Web Appliance - update to 14.5.0-537