#VU51780 OS Command Injection in Cisco Systems, Inc products - CVE-2021-1443
Published: March 30, 2021
Vulnerability identifier: #VU51780
Vulnerability risk: Low
CVSSv4.0: 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/E:U/U:Clear
CVE-ID: CVE-2021-1443
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco IOS XE
Cisco 2600 Series Multiservice Platforms
Cisco ASR 1000 Series Aggregation Services Routers
Cisco 1000 Series Integrated Services Routers
Cisco Catalyst 9300 Series Switches
Cisco Catalyst 9500 Series Switches
Cisco Catalyst 9200 Series Switches
Cisco Catalyst 9800 Series Wireless Controllers
Cisco IOS XE
Cisco 2600 Series Multiservice Platforms
Cisco ASR 1000 Series Aggregation Services Routers
Cisco 1000 Series Integrated Services Routers
Cisco Catalyst 9300 Series Switches
Cisco Catalyst 9500 Series Switches
Cisco Catalyst 9200 Series Switches
Cisco Catalyst 9800 Series Wireless Controllers
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 in the web UI. A remote administrator 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.