#VU67730 Improper Neutralization of Argument Delimiters in a Command in Cisco SD-WAN - CVE-2022-20930
Published: September 29, 2022
Vulnerability identifier: #VU67730
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-20930
CWE-ID: CWE-88
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco SD-WAN
Cisco SD-WAN
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
The vulnerability allows a local user to corrupt arbitrary files on the system.
The vulnerability exists due to insufficient input validation when handling commands in the CLI of Cisco SD-WAN Software. A local user can run certain commands that are expected to be accessible by the root user only and overwrite arbitrary files on the system, resulting in a denial of service attack.
Remediation
Install updates from vendor's website.
Note, the vulnerability affects the following Cisco products:
- SD-WAN vBond Orchestrator Software
- SD-WAN vEdge Routers
- SD-WAN vManage Software
- SD-WAN vSmart Controller Software