Uncontrolled resource consumption in Siemens SCALANCE X204RNA
Priority LOW 24CWE-400Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-400.
Summary
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 on a local Ethernet segment (Layer 2).
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00233 14th percentileScored 2026-11-07
Fix Fixed SCALANCE X204RNA (HSR) (Siemens): V3.2.7SCALANCE X204RNA (PRP) (Siemens): V3.2.7+3 more products
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Siemens | SCALANCE X204RNA (HSR) | before V3.2.7 | V3.2.7 | Patch available | CNA |
| Siemens | SCALANCE X204RNA (PRP) | before V3.2.7 | V3.2.7 | Patch available | CNA |
| Siemens | SCALANCE X204RNA EEC (HSR) | before V3.2.7 | V3.2.7 | Patch available | CNA |
| Siemens | SCALANCE X204RNA EEC (PRP) | before V3.2.7 | V3.2.7 | Patch available | CNA |
| Siemens | SCALANCE X204RNA EEC (PRP/HSR) | before V3.2.7 | V3.2.7 | Patch available | CNA |
- SCALANCE X204RNA (HSR) VendorSiemens Affected before V3.2.7 Fixed in V3.2.7 Patch available CNA
- SCALANCE X204RNA (PRP) VendorSiemens Affected before V3.2.7 Fixed in V3.2.7 Patch available CNA
- SCALANCE X204RNA EEC (HSR) VendorSiemens Affected before V3.2.7 Fixed in V3.2.7 Patch available CNA
- SCALANCE X204RNA EEC (PRP) VendorSiemens Affected before V3.2.7 Fixed in V3.2.7 Patch available CNA
- SCALANCE X204RNA EEC (PRP/HSR) VendorSiemens Affected before V3.2.7 Fixed in V3.2.7 Patch available CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:siemens:6gk5204-0ba00-2mb2_firmware:*:*:*:*:*:*:*:* | before 3.2.7 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:6gk5204-0ba00-2mb2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:6gk5204-0ba00-2kb2_firmware:*:*:*:*:*:*:*:* | before 3.2.7 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:6gk5204-0ba00-2kb2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:6gk5204-0bs00-2na3_firmware:*:*:*:*:*:*:*:* | before 3.2.7 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:6gk5204-0bs00-2na3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:6gk5204-0bs00-3la3_firmware:*:*:*:*:*:*:*:* | before 3.2.7 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:6gk5204-0bs00-3la3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:6gk5204-0bs00-3pa3_firmware:*:*:*:*:*:*:*:* | before 3.2.7 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:6gk5204-0bs00-3pa3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
- cpe:2.3:o:siemens:6gk5204-0ba00-2mb2_firmware:*:*:*:*:*:*:*:* Versions before 3.2.7 Vulnerable ·Siemens
- cpe:2.3:h:siemens:6gk5204-0ba00-2mb2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:6gk5204-0ba00-2kb2_firmware:*:*:*:*:*:*:*:* Versions before 3.2.7 Vulnerable ·Siemens
- cpe:2.3:h:siemens:6gk5204-0ba00-2kb2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:6gk5204-0bs00-2na3_firmware:*:*:*:*:*:*:*:* Versions before 3.2.7 Vulnerable ·Siemens
- cpe:2.3:h:siemens:6gk5204-0bs00-2na3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:6gk5204-0bs00-3la3_firmware:*:*:*:*:*:*:*:* Versions before 3.2.7 Vulnerable ·Siemens
- cpe:2.3:h:siemens:6gk5204-0bs00-3la3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:6gk5204-0bs00-3pa3_firmware:*:*:*:*:*:*:*:* Versions before 3.2.7 Vulnerable ·Siemens
- cpe:2.3:h:siemens:6gk5204-0bs00-3pa3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
Remediation
- Fix · CNA SCALANCE X204RNA (HSR) (Siemens) Fixed in V3.2.7
- Fix · CNA SCALANCE X204RNA (PRP) (Siemens) Fixed in V3.2.7
- Fix · CNA SCALANCE X204RNA EEC (HSR) (Siemens) Fixed in V3.2.7
- Fix · CNA SCALANCE X204RNA EEC (PRP) (Siemens) Fixed in V3.2.7
- Fix · CNA SCALANCE X204RNA EEC (PRP/HSR) (Siemens) Fixed in V3.2.7
Timeline
- 2026-10-02 Threatist record created from CVE-2022-46351
- 2026-10-03 Alias added: GHSA-6752-3vj9-575w
References
More Siemens 6gk5204-0ba00-2kb2 Firmware vulnerabilities
- TI-2022-22897 A vulnerability has been identified in SCALANCE X204RNA (HSR) (All versions < V3.2.7)… CVSS 3.1CRITICAL 9.8
- TI-2022-22899 Information disclosure in Siemens SCALANCE X204RNA CVSS 3.1HIGH 7.5
- TI-2022-22896 Uncontrolled resource consumption in Siemens SCALANCE X204RNA CVSS 3.1HIGH 7.5
- TI-2022-22898 Improper access control in Siemens SCALANCE X204RNA CVSS 3.1MEDIUM 5.3
- TI-2022-22894 Cross-site scripting in Siemens SCALANCE X204RNA CVSS 3.1MEDIUM 6.1
Sources
- CVE-2022-46351 · CVE Program
- CVE-2022-46351 · NVD
- FIRST EPSS
- GHSA-6752-3vj9-575w · GitHub Advisory Database · CC BY 4.0
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