What’s Vulnerable › Vulnerabilities

CVE-2022-46352

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% 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-400

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). Specially crafted PROFINET DCP packets could cause a denial of service condition of affected products.

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

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

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