Command Injection in Cisco IOS XE - CVE-2022-20851
Published: September 29, 2022
Vulnerability identifier: #VU67724
CSH Severity: Low
CVSS v4: 8.6 [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]
CVE-ID: CVE-2022-20851
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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 UI feature. A remote administrator can pass specially crafted data to the application and execute arbitrary commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Cisco IOS XE
How to mitigate CVE-2022-20851
Install updates from vendor's website.
Cisco IOS XE - addressed in versions Amsterdam-17.3.5, Bengaluru-17.6.3, Gibraltar-16.12.7, Cupertino-17.7.1, Cupertino-17.7.1a, Cupertino-17.8.1, Cupertino-17.8.1a, 16.12(6.30), 16.12.7, 16.12.8, 17.3(4.64), 17.3.5, 17.3.5a, 17.3.5b, 17.3.6, 17.6(2.11), 17.6.3, 17.6.3a, 17.6.4, 17.7(0.117), 17.7.1, 17.7.1a, 17.8(0.15), 17.8.1, 17.8.1a, 17.9.1, 17.9.1a