What is CVE-2022-3379?

CVE-2022-3379 is a high-severity vulnerability in Horner Automation Cscape, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-10-27.

How severe is CVE-2022-3379?

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

Buffer overflow in Horner Automation Cscape

CVE-2022-3379

Horner Automation's Cscape version 9.90 SP7 and prior does not properly validate user-supplied data. If a user opens a maliciously formed FNT file, then an attacker could execute arbitrary code within the current process by writing outside the memory buffer.

Vulnerability class: Buffer Overflow

Published 2022-10-27 · 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: 0.002 (13.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Horner Automation Cscape — versions 0
Hornerautomation Cscape — versions 9.90

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

www.cisa.gov/uscert/ics/advisories/icsa-22-277-03 (US Government Resource, Third Party Advisory, government-resource)

Frequently asked questions

What is CVE-2022-3379?: CVE-2022-3379 is a high-severity vulnerability in Horner Automation Cscape, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-10-27.
How severe is CVE-2022-3379?: High severity. CVSS v3 base score is 7.8 out of 10.