OS Command Injection in Cisco Systems, Inc products - CVE-2021-1432
Published: March 30, 2021
Vulnerability identifier: #VU51784
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-1432
CWE-ID: CWE-78
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco IOS XE SD-WAN
Cisco 1000 Series Integrated Services Routers
4000 Series Integrated Services Routers
Cisco ASR 1000 Series Aggregation Services Routers
Cloud Services Router 1000V Series
Cisco IOS XE SD-WAN
Cisco 1000 Series Integrated Services Routers
4000 Series Integrated Services Routers
Cisco ASR 1000 Series Aggregation Services Routers
Cloud Services Router 1000V Series
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
The vulnerability allows a local user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in the CLI. A local user can pass specially crafted data to the application and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.