What’s Vulnerable › Vulnerabilities

CVE-2020-16234: FATEK Automation PLC WinProladder

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-09-30 · updated 2026-06-17
• Weakness: CWE-121

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.

Affected products

• FATEK Automation WinProladder: through 3.28

References

• https://us-cert.cisa.gov/ics/advisories/icsa-20-254-02
• https://us-cert.cisa.gov/ics/advisories/icsa-20-254-02

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