FATEK Automation WinProladder versions 3.30 and prior lacks proper validation of…
Priority LOW 36CWE-194Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.0097 62nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| FATEK Automation | WinProladder | All – 3.30 | — | No fix listed | CNA |
- WinProladder VendorFATEK Automation Affected All – 3.30 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:fatek:winproladder:*:*:*:*:*:*:*:* | up to 3.30 | Vulnerable | FATEK Automation |
- cpe:2.3:a:fatek:winproladder:*:*:*:*:*:*:*:* Versions up to 3.30 Vulnerable ·FATEK Automation
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-38434
- 2026-10-03 Alias added: GHSA-rq4p-mwvq-fhvq
References
More FATEK Automation Winproladder vulnerabilities
- TI-2021-12600 Memory corruption in FATEK Automation WinProladder CVSS 3.1CRITICAL 9.8
- TI-2021-12598 Out-of-bounds read in FATEK Automation WinProladder CVSS 3.1CRITICAL 9.8
- TI-2021-12596 Out-of-bounds write in FATEK Automation WinProladder CVSS 3.1CRITICAL 9.8
- TI-2021-19446 Stack-based buffer overflow in FATEK Automation WinProladder CVSS 3.1HIGH 7.8
- TI-2021-19444 Out-of-bounds write in FATEK Automation WinProladder CVSS 3.1HIGH 7.8
- TI-2020-12763 Stack-based buffer overflow in FATEK Automation PLC WinProladder CVSS 3.1HIGH 7.8
Sources
- CVE-2021-38434 · CVE Program
- CVE-2021-38434 · NVD
- FIRST EPSS
- GHSA-rq4p-mwvq-fhvq · GitHub Advisory Database · CC BY 4.0
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