Use after free in FATEK Automation WinProladder
Priority LOW 36CWE-416Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.
Summary
A use after free vulnerability in FATEK Automation WinProladder versions 3.30 and prior may be exploited when a valid user opens a malformed project file, which may allow arbitrary code execution.
Why it matters now
EPSS 0.0102 63rd 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-2021-38438
- 2026-10-03 Alias added: GHSA-vpcj-jqjr-jhj9
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-2021-38438 · CVE Program
- CVE-2021-38438 · NVD
- FIRST EPSS
- GHSA-vpcj-jqjr-jhj9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences