What is CVE-2023-31173?

CVE-2023-31173 is a high-severity vulnerability in Microsoft Windows, classified under Use of Hard-coded Credentials. CVSS score: 7.7/10. Published 2023-08-31.

How severe is CVE-2023-31173?

High severity. CVSS v3 base score is 7.7 out of 10.

Vulnerability in Microsoft Windows

CVE-2023-31173

Use of Hard-coded Credentials vulnerability in Schweitzer Engineering Laboratories SEL-5037 SEL Grid Configurator on Windows allows Authentication Bypass. See Instruction Manual Appendix A and Appendix E dated 20230615 for more details. This issue affects SEL-5037 SEL Grid Configurator: before 4.5.0.20.

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

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (10.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

selinc.com/support/security-notifications/external-reports/ (Vendor Advisory)
www.nozominetworks.com/blog/ (Not Applicable)

Frequently asked questions

What is CVE-2023-31173?: CVE-2023-31173 is a high-severity vulnerability in Microsoft Windows, classified under Use of Hard-coded Credentials. CVSS score: 7.7/10. Published 2023-08-31.
How severe is CVE-2023-31173?: High severity. CVSS v3 base score is 7.7 out of 10.