What is CVE-2021-32939?

CVE-2021-32939 is a high-severity vulnerability in Fatek Fvdesigner, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-08-11.

How severe is CVE-2021-32939?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2021-32939 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Fatek Fvdesigner

CVE-2021-32939

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.

Vulnerability class: Buffer Overflow

EPSS: 0.016 (72.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Fatek Fvdesigner
N/a Fatek Automation Fvdesigner — versions FvDesigner, Versions 1.5.88 and prior

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC)
ics-cert@hq.dhs.gov (VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-32939?: CVE-2021-32939 is a high-severity vulnerability in Fatek Fvdesigner, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-08-11.
How severe is CVE-2021-32939?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-32939 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.