CVE-2023-27409 — A vulnerability has been identified in SCALANCE LPE9403 (All versions < V2

A vulnerability has been identified in SCALANCE LPE9403 (All versions < V2.1). A path traversal vulnerability was found in the `deviceinfo` binary via the `mac` parameter. This could allow an authenticated attacker with access to the SSH interface on the affected device to rea

01What is this vulnerability?

A vulnerability has been identified in SCALANCE LPE9403 (All versions < V2.1). A path traversal vulnerability was found in the `deviceinfo` binary via the `mac` parameter. This could allow an authenticated attacker with access to the SSH interface on the affected device to read the contents of any file named `address`.

02Affected products

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: 2023-05-09T11:51:24.217Z
• Last modified: 2025-01-28T16:47:12.923Z

09References

• cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/pdf/ssa-325383.pdf