CVE-2023-34392: A Missing Authentication for Critical Function vulnerability in the Schweitzer Engineering Laboratories SEL-5

Q: How do I fix CVE-2023-34392?

sel-5037 sel grid configurator: upgrade to 4.5.0.20. Exact commands for each OS are on this page.

Q: Is CVE-2023-34392 being exploited?

CVE-2023-34392 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-34392 affect?

CVE-2023-34392 affects sel-5037 sel grid configurator. Severity is high (CVSS 8.2). A Missing Authentication for Critical Function vulnerability in the Schweitzer Engineering Laboratories SEL-5037 SEL Grid Configurator could allow an attacker to run arbitrary commands on managed devices by an authorized device operator.

Routine

HIGH 8.2UPGRADE

CVE-2023-34392 is a high-severity flaw (CVSS 8.2) affecting sel-5037 sel grid configurator. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Missing Authentication for Critical Function vulnerability in the Schweitzer Engineering Laboratories SEL-5037 SEL Grid Configurator could allow an attacker to run arbitrary commands on managed devices by an authorized device operator. 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.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.2 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.5% (top 61%)
CISA exploited list	No
Weakness	CWE-306
Published	2023-08-31
Last modified	2026-06-17

Publisher (CNA): Schweitzer Engineering Laboratories, Inc. · Vendor: selinc

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-08-31 16:15 UTCPublished CVE record published
2026-06-17 06:03 UTCUpdated Record last modified

selinc sel-5037 sel grid configurator UPGRADE

Affected: < 4.5.0.20

Fixed in: 4.5.0.20

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy sel-5037-sel-grid-configurator || rpm -q sel-5037-sel-grid-configurator || sel-5037-sel-grid-configurator --version

2. UPGRADE to 4.5.0.20 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade sel-5037-sel-grid-configurator

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sel-5037-sel-grid-configurator

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-34392?

sel-5037 sel grid configurator: upgrade to 4.5.0.20. Exact commands for each OS are on this page.

Is CVE-2023-34392 being exploited?

CVE-2023-34392 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-34392 affect?

CVE-2023-34392 affects sel-5037 sel grid configurator. Severity is high (CVSS 8.2). A Missing Authentication for Critical Function vulnerability in the Schweitzer Engineering Laboratories SEL-5037 SEL Grid Configurator could allow an attacker to run arbitrary commands on managed devices by an authorized device operator.

How urgent is CVE-2023-34392?

Priority 39/100. High severity

Related CVEs

CVE-2023-31175 HIGH 8.8 UPGRADE An Execution with Unnecessary Privileges vulnerability in the Schweitzer Engineering Laboratories SEL-5037 SE
CVE-2023-31174 HIGH 7.4 UPGRADE A Cross-Site Request Forgery (CSRF) vulnerability in the Schweitzer Engineering Laboratories SEL-5037 SEL Gri
CVE-2023-31173 HIGH 7.7 UPGRADE Use of Hard-coded Credentials vulnerability in Schweitzer Engineering Laboratories SEL-5037 SEL Grid Configura

References

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