CVE-2021-32939

Name: CVE-2021-32939
Creator: NVD / NIST
Published: 2021-08-11T13:15:16.243+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.56%

Last modified Jun 17, 2026

CVE-2021-32939 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. FATEK Automation FvDesigner, Versions 1.5.88 and prior is vulnerable to an out-of-bounds write while processing project files, allowing an attacker to craft a project file that may permit arbitrary code execution.. EPSS estimates a 1.56% chance of exploitation in the next 30 days.

Description

FATEK Automation FvDesigner, Versions 1.5.88 and prior is vulnerable to an out-of-bounds write while processing project files, allowing an attacker to craft a project file that may permit arbitrary code execution.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.56%

72.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Fatek	Fvdesigner	<= 1.5.88

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-217-02Third Party Advisory, US Government Resource
https://www.zerodayinitiative.com/advisories/ZDI-21-1028/Third Party Advisory, VDB Entry
https://us-cert.cisa.gov/ics/advisories/icsa-21-217-02Third Party Advisory, US Government Resource
https://www.zerodayinitiative.com/advisories/ZDI-21-1028/Third Party Advisory, VDB Entry

Timeline

Published: Aug 11, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-32939?

How severe is CVE-2021-32939?

CVE-2021-32939 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.56% probability of exploitation in the next 30 days.

How do I fix CVE-2021-32939?

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.

Are you affected by CVE-2021-32939?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST