CVE-2021-38430

FATEK Automation WinProladder

HIGH

7.8

CVSS Score

Published: October 18, 2021 at 12:38 PM UTC

Updated: June 17, 2026 at 04:02 AM UTC

2 products affected across 2 vendorsWinproladderPLC WinProladder

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Severity

HIGH7.8

Exploit prediction

EPSS 1%

Description

FATEK Automation WinProladder versions 3.30 and prior proper validation of user-supplied data when parsing project files, which could result in a stack-based buffer overflow. An attacker could leverage this vulnerability to execute arbitrary code.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Winproladder · Fatek

95%

v ≤ 3.30

PLC WinProladder · Fatek Automation

60%

v ≤ 3.30

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCThird Party AdvisoryUS Government Resource

Source: [email protected]

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

CVSS

7.8HIGHicscert

Attack Vector: LOCAL
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-121

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