CVE-2021-38434

7.8 highEPSS 1.0%

High (7.8) in fatek winproladder. EPSS 1.0% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.8 high

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

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 61% of CVEs (scores of 2026-10-31)
CWE: CWE-194
Published: 2021-10-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

fatek:winproladder

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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