Stack-based buffer overflow in NPort IAW5000A-I/O Series - CVE-2021-32976

 

Stack-based buffer overflow in NPort IAW5000A-I/O Series - CVE-2021-32976

Published: May 27, 2021 / Updated: July 7, 2021


Vulnerability identifier: #VU53611
CSH Severity: 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-2021-32976
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
NPort IAW5000A-I/O Series
Software vendor:
Moxa

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the built-in web server. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links