What is CVE-2021-32990?

CVE-2021-32990 is a critical-severity vulnerability in Fatek Winproladder, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2021-06-29.

How severe is CVE-2021-32990?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Out-of-bounds Read in Fatek Winproladder

CVE-2021-32990

FATEK Automation WinProladder Versions 3.30 and prior are vulnerable to an out-of-bounds read, which may allow an attacker to execute arbitrary code.

Vulnerability class: Buffer Overflow

Published 2021-06-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.018 (77.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Fatek Winproladder
Fatek Automation Winproladder — versions WinProladder: Versions 3.30 and prior

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

us-cert.cisa.gov/ics/advisories/icsa-21-175-01 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2021-32990?: CVE-2021-32990 is a critical-severity vulnerability in Fatek Winproladder, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2021-06-29.
How severe is CVE-2021-32990?: Critical severity. CVSS v3 base score is 9.8 out of 10.