CVE-2021-38434

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CVSS 3.1

7.8 high

EPSS

<1%p60

Published

Oct 18, 2021 (Oct 18, 2021)

Modified

Jun 17, 2026

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.

Vendors: fatek
Products: winproladder
Weakness: CWE-194
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.0%)

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