CVE intelligence and bounded remediation

CVE-2023-31173 — Selinc Sel-5037 Sel Grid Configurator security vulnerability

High CVSS 8.4

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.

Severity
High
CVSS
8.4 (3.1)
Published
2023-08-31
CISA KEV
Not currently listed
Ecosystem
windows/system
Weaknesses
CWE-798

Affected products

  • selinc / sel-5037_sel_grid_configurator

Matched remediation archetype

Authentication bypass and missing authentication

This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.

Check exposure

  • Map every affected endpoint and protocol path, including alternate ports, legacy routes, recovery flows, service accounts, and machine-to-machine access.
  • Confirm which deployments enable the affected authentication mode and whether the interface is reachable from untrusted networks.
  • Review session, token, credential, and proxy trust configuration without attempting account takeover.

Remediate safely

  • Apply the supported fix and centralize fail-closed authentication before protected request handling.
  • Remove default or embedded credentials, rotate affected secrets and sessions, and bind authentication decisions to the intended audience and channel.
  • Add negative tests for alternate routes, malformed or absent credentials, recovery flows, and proxy-derived identity.

Authoritative sources

Complete CVE record and remediation plan

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