Stack-based buffer overflow in PLC WinProladder - CVE-2020-16234

 

Stack-based buffer overflow in PLC WinProladder - CVE-2020-16234

Published: June 25, 2021


Vulnerability identifier: #VU54390
CSH Severity: High
CVSS v4: 8.6 [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]
CVE-ID: CVE-2020-16234
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a boundary error. A remote unauthenticated attacker can trick the victim to open a specially crafted file, trigger a 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.


Affected software

PLC WinProladder

How to mitigate CVE-2020-16234

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


External References

Related Security Bulletins