CVE-2021-43554
HIGHCVSS 7.8/10EPSS 1.93%
Last modified
CVE-2021-43554 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. FATEK WinProladder Versions 3.30_24518 and prior are vulnerable to an out-of-bounds write while processing project files, which may allow an attacker to execute arbitrary code.. EPSS estimates a 1.93% chance of exploitation in the next 30 days.
Description
FATEK WinProladder Versions 3.30_24518 and prior are vulnerable to an out-of-bounds write while processing project files, which may allow an attacker to execute arbitrary code.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fatek | Winproladder | <= 3.30_24518 |
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-320-01Third Party Advisory, US Government Resource
- https://www.zerodayinitiative.com/advisories/ZDI-22-028/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-030/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-033/Third Party Advisory, VDB Entry
- https://us-cert.cisa.gov/ics/advisories/icsa-21-320-01Third Party Advisory, US Government Resource
- https://www.zerodayinitiative.com/advisories/ZDI-22-028/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-030/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-033/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-43554?
FATEK WinProladder Versions 3.30_24518 and prior are vulnerable to an out-of-bounds write while processing project files, which may allow an attacker to execute arbitrary code.
How severe is CVE-2021-43554?
CVE-2021-43554 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.93% probability of exploitation in the next 30 days.
How do I fix CVE-2021-43554?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-43554?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST