CVE-2023-4419 — The LMS5xx uses hard-coded credentials, which potentially allow low-skilled unau

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.

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
SICK AG	LMS5xx	0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-08-24T18:08:19.977Z
• Last modified: 2024-12-09T14:12:11.224Z

09References

• sick.com — https://sick.com/psirt
• sick.com — https://sick.com/.well-known/csaf/white/2023/sca-2023-0007.pdf
• sick.com — https://sick.com/.well-known/csaf/white/2023/sca-2023-0007.json