CVE-2020-16234

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

In PLC WinProladder Version 3.28 and prior, a stack-based buffer overflow vulnerability can be exploited when a valid user opens a specially crafted file, which may allow an attacker to remotely execute arbitrary code.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-121

Affected software

Vendor	Product	Versions
FATEK Automation	PLC WinProladder	>= unspecified, <= 3.28

References

https://us-cert.cisa.gov/ics/advisories/icsa-20-254-02Mitigation, Third Party Advisory, US Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-20-254-02Mitigation, Third Party Advisory, US Government Resource

Timeline

Published: Sep 30, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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