How severe is CVE-2021-32939?

CVE-2021-32939 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-32939 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32939?

CVE-2021-32939 affects Fatek Fvdesigner. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32939?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-32939 published?

CVE-2021-32939 was published on 2021-08-11 and last updated on 2026-06-17.

CVE-2021-32939

CVE-2021-32939 is a high-severity vulnerability in Fatek Fvdesigner with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Fatek Fvdesigner
Published: 2021-08-11
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2021-32939?: CVE-2021-32939 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-32939 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32939?: CVE-2021-32939 affects Fatek Fvdesigner. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32939?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-32939 published?: CVE-2021-32939 was published on 2021-08-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:fatek:fvdesigner:*:*:*:*:*:*:*:*

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