CVE-2023-34391

Name: CVE-2023-34391
Creator: NVD / NIST
Published: 2023-08-31T16:15:10.017+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.13%

Last modified Jun 17, 2026

CVE-2023-34391 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Insecure Inherited Permissions vulnerability in Schweitzer Engineering Laboratories SEL-5033 AcSELerator RTAC Software on Windows allows Leveraging/Manipulating Configuration File Search Paths. See Instruction Manual Appendix A [Cybersecurity] tag dated 20230522 for more details. This issue affects SEL-5033 AcSELerator RTAC Software: before 1.35.151.21000. . EPSS estimates a 0.13% chance of exploitation in the next 30 days.

Description

Insecure Inherited Permissions vulnerability in Schweitzer Engineering Laboratories SEL-5033 AcSELerator RTAC Software on Windows allows Leveraging/Manipulating Configuration File Search Paths. See Instruction Manual Appendix A [Cybersecurity] tag dated 20230522 for more details. This issue affects SEL-5033 AcSELerator RTAC Software: before 1.35.151.21000.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.13%

3.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Selinc	Sel-5033 Acselerator Real-Time Automation Controller	< 1.35.151.21000

References

https://dragos.comNot Applicable
https://selinc.com/support/security-notifications/external-reports/Vendor Advisory
https://dragos.comNot Applicable
https://selinc.com/support/security-notifications/external-reports/Vendor Advisory

Timeline

Published: Aug 31, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-34391?

How severe is CVE-2023-34391?

CVE-2023-34391 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.

How do I fix CVE-2023-34391?

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-2023-34391?

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

Scan your code now

Source: NVD / NIST