#VU76270 Stack-based buffer overflow in Cisco Systems, Inc products - CVE-2023-20189
Published: May 17, 2023
Vulnerability identifier: #VU76270
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-20189
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco Small Business 200 Series Smart Switches
Cisco Small Business 300 Series Managed Switches
Cisco Small Business 500 Series Stackable Managed Switches
Cisco 250 Series Smart Switches
Cisco 350 Series Managed Switches
Cisco 350X Series Stackable Managed Switches
Cisco 550X Series Stackable Managed Switches
Cisco Small Business 200 Series Smart Switches
Cisco Small Business 300 Series Managed Switches
Cisco Small Business 500 Series Stackable Managed Switches
Cisco 250 Series Smart Switches
Cisco 350 Series Managed Switches
Cisco 350X Series Stackable Managed Switches
Cisco 550X Series Stackable Managed Switches
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when handling requests. A remote unauthenticated attacker can send specially crafted input to the web interface, trigger a stack-based buffer overflow and execute arbitrary code with root privileges on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.