CVE intelligence and bounded remediation

CVE-2022-46354 — Siemens 6Gk5204-0Ba00-2Mb2 Firmware security vulnerability

Medium CVSS 5.3

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 webserver of an affected device is missing specific security headers. This could allow an remote attacker to extract confidential session information under certain circumstances.

Severity
Medium
CVSS
5.3 (3.1)
Published
2022-12-13
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-284

Affected products

  • siemens / 6gk5204-0ba00-2mb2_firmware
  • siemens / 6gk5204-0ba00-2kb2_firmware
  • siemens / 6gk5204-0bs00-2na3_firmware
  • siemens / 6gk5204-0bs00-3la3_firmware
  • siemens / 6gk5204-0bs00-3pa3_firmware

Matched remediation archetype

Authorization bypass, IDOR, and cross-tenant access

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Check exposure

  • Map object and action authorization checks across API, UI, batch, import/export, and background-job paths.
  • Identify tenant, ownership, role, and policy boundaries for affected resources and administrative operations.
  • Use synthetic fixtures to compare intended access matrices without accessing another user's real data.

Remediate safely

  • Enforce server-side authorization at each resource access and state transition using the authenticated principal and trusted tenant context.
  • Scope data queries by tenant and ownership; treat client-supplied identifiers, roles, and policy claims as untrusted.
  • Add deny-by-default policy tests for horizontal and vertical access across every affected transport.

Authoritative sources

Complete CVE record and remediation plan

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