What is CVE-2023-31170?

CVE-2023-31170 is a medium-severity vulnerability in Schweitzer Engineering Laboratories Sel-5030 Acselerator Quickset Software, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 5.9/10. Published 2023-08-31.

How severe is CVE-2023-31170?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Schweitzer Engineering Laboratories Sel-5030 Acselerator Quickset Software

CVE-2023-31170

An Inclusion of Functionality from Untrusted Control Sphere vulnerability in the Schweitzer Engineering Laboratories SEL-5030 acSELerator QuickSet Software could allow an attacker to embed instructions that could be executed by an authorized device operator. See Instruction Manual Appendix A and Appendix E dated 20230615 for more details. This issue affects SEL-5030 acSELerator QuickSet Software: through 7.1.3.0.

Published 2023-08-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (25.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-829 — Inclusion of Functionality from Untrusted Control Sphere

References

selinc.com/support/security-notifications/external-reports/ (Vendor Advisory)
www.nozominetworks.com/blog/ (Third Party Advisory)

Frequently asked questions

What is CVE-2023-31170?: CVE-2023-31170 is a medium-severity vulnerability in Schweitzer Engineering Laboratories Sel-5030 Acselerator Quickset Software, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 5.9/10. Published 2023-08-31.
How severe is CVE-2023-31170?: Medium severity. CVSS v3 base score is 5.9 out of 10.