CVE-2022-3377

Name: CVE-2022-3377
Creator: NVD / NIST
Published: 2022-11-15T21:15:37.95+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2022-3377 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Horner Automation's Cscape version 9.90 SP 6 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 accessing an uninitialized pointer, leading to an out-of-bounds memory read. . EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

Horner Automation's Cscape version 9.90 SP 6 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 accessing an uninitialized pointer, leading to an out-of-bounds memory read.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.24%

14.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-824

Affected Software

Vendor	Product	Versions
Hornerautomation	Cscape	< 9.90
Hornerautomation	Cscape	9.90

References

https://www.cisa.gov/uscert/ics/advisories/icsa-22-277-03Patch, Third Party Advisory, US Government Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-22-277-03Patch, Third Party Advisory, US Government Resource

Timeline

Published: Nov 15, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-3377?

How severe is CVE-2022-3377?

CVE-2022-3377 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2022-3377?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-3377?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST