What is CVE-2023-4419?

CVE-2023-4419 is a critical-severity vulnerability in Sick Lms500, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2023-08-24.

How severe is CVE-2023-4419?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Sick Lms500

CVE-2023-4419

The LMS5xx uses hard-coded credentials, which potentially allow low-skilled unauthorized remote attackers to reconfigure settings and /or disrupt the functionality of the device.

Published 2023-08-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (59.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

sick.com/psirt (issue-tracking, Vendor Advisory)
sick.com/.well-known/csaf/white/2023/sca-2023-0007.pdf (vendor-advisory, Vendor Advisory)
sick.com/.well-known/csaf/white/2023/sca-2023-0007.json (x_csaf, Vendor Advisory)

Frequently asked questions

What is CVE-2023-4419?: CVE-2023-4419 is a critical-severity vulnerability in Sick Lms500, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2023-08-24.
How severe is CVE-2023-4419?: Critical severity. CVSS v3 base score is 9.8 out of 10.