CVE-2022-46355 — A vulnerability has been identified in SCALANCE X204RNA (HSR) (All versions < V3

A vulnerability has been identified in SCALANCE X204RNA (HSR) (All versions < V3.2.7), SCALANCE X204RNA (PRP) (All versions < V3.2.7), SCALANCE X204RNA EEC (HSR) (All versions < V3.2.7), SCALANCE X204RNA EEC (PRP) (All versions < V3.2.7), SCALANCE X204RNA EEC (PRP/HSR

01What is this vulnerability?

A vulnerability has been identified in SCALANCE X204RNA (HSR) (All versions < V3.2.7), SCALANCE X204RNA (PRP) (All versions < V3.2.7), SCALANCE X204RNA EEC (HSR) (All versions < V3.2.7), SCALANCE X204RNA EEC (PRP) (All versions < V3.2.7), SCALANCE X204RNA EEC (PRP/HSR) (All versions < V3.2.7). The affected products are vulnerable to an "Exposure of Sensitive Information to an Unauthorized Actor"…

02Affected products

Vendor	Product	Versions
Siemens	SCALANCE X204RNA (HSR)	All versions < V3.2.7
Siemens	SCALANCE X204RNA (PRP)	All versions < V3.2.7
Siemens	SCALANCE X204RNA EEC (HSR)	All versions < V3.2.7
Siemens	SCALANCE X204RNA EEC (PRP)	All versions < V3.2.7
Siemens	SCALANCE X204RNA EEC (PRP/HSR)	All versions < V3.2.7

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: 2022-12-13T00:00:00.000Z
• Last modified: 2025-04-22T14:40:09.057Z

09References

• cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/pdf/ssa-363821.pdf