What is CVE-2022-21209?

CVE-2022-21209 is a high-severity vulnerability in Fatek Fvdesigner, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2022-02-25.

How severe is CVE-2022-21209?

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

Out-of-bounds Read in Fatek Fvdesigner

CVE-2022-21209

The affected product is vulnerable to an out-of-bounds read while processing project files, which allows an attacker to craft a project file that would allow arbitrary code execution.

Vulnerability class: Buffer Overflow

Published 2022-02-25 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.020 (79.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Fatek Fvdesigner
Fatek Automation Fvdesigner — versions all

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

www.cisa.gov/uscert/ics/advisories/icsa-22-055-01 (US Government Resource, Third Party Advisory)
www.zerodayinitiative.com/advisories/ZDI-22-439/ (VDB Entry, Third Party Advisory)
www.zerodayinitiative.com/advisories/ZDI-22-436/ (VDB Entry, Third Party Advisory)
www.zerodayinitiative.com/advisories/ZDI-22-435/ (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2022-21209?: CVE-2022-21209 is a high-severity vulnerability in Fatek Fvdesigner, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2022-02-25.
How severe is CVE-2022-21209?: High severity. CVSS v3 base score is 7.8 out of 10.