CVE-2022-46355

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-12-13 · updated 2026-06-17
Weakness: CWE-200

Description

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" vulnerability by leaking sensitive data in the HTTP Referer.

Affected products

Siemens 6Gk5204-0Ba00-2Kb2 Firmware: before 3.2.7 — fixed in 3.2.7
Siemens 6Gk5204-0Ba00-2Mb2 Firmware: before 3.2.7 — fixed in 3.2.7
Siemens 6Gk5204-0Bs00-2Na3 Firmware: before 3.2.7 — fixed in 3.2.7
Siemens 6Gk5204-0Bs00-3La3 Firmware: before 3.2.7 — fixed in 3.2.7
Siemens 6Gk5204-0Bs00-3Pa3 Firmware: before 3.2.7 — fixed in 3.2.7

How to fix

Upgrade to a fixed version: Siemens 6Gk5204-0Ba00-2Kb2 Firmware 3.2.7; Siemens 6Gk5204-0Ba00-2Mb2 Firmware 3.2.7; Siemens 6Gk5204-0Bs00-2Na3 Firmware 3.2.7; Siemens 6Gk5204-0Bs00-3La3 Firmware 3.2.7; Siemens 6Gk5204-0Bs00-3Pa3 Firmware 3.2.7. Check the vendor advisory for mitigations.

References

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