What’s Vulnerable › Vulnerabilities

CVE-2021-38434: FATEK Automation WinProladder

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-10-18 · updated 2026-06-17
• Weakness: CWE-194

Description

FATEK Automation WinProladder versions 3.30 and prior lacks proper validation of user-supplied data when parsing project files, which could result in an unexpected sign extension. An attacker could leverage this vulnerability to execute arbitrary code.

Affected products

• FATEK Automation WinProladder: through 3.30

References

• https://us-cert.cisa.gov/ics/advisories/icsa-21-280-06
• https://us-cert.cisa.gov/ics/advisories/icsa-21-280-06

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