CVE-2023-31278

Name: CVE-2023-31278
Creator: NVD / NIST
Published: 2023-06-06T17:15:14.573+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2023-31278 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Horner Automation Cscape lacks proper validation of user-supplied data when parsing project files (e.g., HMI). This could lead to an out-of-bounds read. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

Horner Automation Cscape lacks proper validation of user-supplied data when parsing project files (e.g., HMI). This could lead to an out-of-bounds read. An attacker could leverage this vulnerability to potentially execute arbitrary code in the context of the current process.

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

0.23%

13.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions	Update
Hornerautomation	Cscape	9.90	Sp8
Hornerautomation	Cscape Envisionrv	4.70	—

References

https://www.cisa.gov/news-events/ics-advisories/icsa-23-143-04Third Party Advisory, US Government Resource
https://www.cisa.gov/news-events/ics-advisories/icsa-23-143-04Third Party Advisory, US Government Resource

Timeline

Published: Jun 6, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-31278?

How severe is CVE-2023-31278?

CVE-2023-31278 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2023-31278?

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-2023-31278?

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

Scan your code now

Source: NVD / NIST