CVE-2023-29503

Name: CVE-2023-29503
Creator: NVD / NIST
Published: 2023-06-06T17:15:13.777+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2023-29503 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. The affected application lacks proper validation of user-supplied data when parsing project files (e.g., CSP). This could lead to a stack-based buffer overflow. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

The affected application lacks proper validation of user-supplied data when parsing project files (e.g., CSP). This could lead to a stack-based buffer overflow. An attacker could leverage this vulnerability to 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%

13.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-121

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-2023-29503?

How severe is CVE-2023-29503?

CVE-2023-29503 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-2023-29503?

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-2023-29503?

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

Scan your code now

Source: NVD / NIST