#VU57140 Use-after-free in PLC WinProladder - CVE-2021-38438
Published: October 8, 2021 / Updated: October 14, 2021
Vulnerability identifier: #VU57140
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-38438
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
PLC WinProladder
PLC WinProladder
Software vendor:
Fatek
Fatek
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing PDW files. A remote attacker can trick a victim to open a specially crafted project file and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.