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CVE-2022-46351

MEDIUM
5.5
CVSS Score
Published: December 13, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 05:11 AM UTC
12 products affected across 1 vendor6GK5204 0BA00 2MB2 Firmware6GK5204 0BA00 2KB2 Firmware6GK5204 0BS00 2NA3 Firmware

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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 on a local Ethernet segment (Layer 2).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6GK5204 0BA00 2KB2 Firmware· Siemens
95%
v < 3.2.7
Affected range stops below 3.2.7, so it looks safe — our inference, not a vendor statement
siemens-6gk5204-0ba00-2kb2 (same device)
6GK5204 0BA00 2MB2 Firmware· Siemens
95%
v < 3.2.7
Affected range stops below 3.2.7, so it looks safe — our inference, not a vendor statement
siemens-6gk5204-0ba00-2mb2 (same device)
6GK5204 0BS00 2NA3 Firmware· Siemens
95%
v < 3.2.7
Affected range stops below 3.2.7, so it looks safe — our inference, not a vendor statement
siemens-6gk5204-0bs00-2na3 (same device)
6GK5204 0BS00 3LA3 Firmware· Siemens
95%
v < 3.2.7
Affected range stops below 3.2.7, so it looks safe — our inference, not a vendor statement
siemens-6gk5204-0bs00-3la3 (same device)
6GK5204 0BS00 3PA3 Firmware· Siemens
95%
v < 3.2.7
Affected range stops below 3.2.7, so it looks safe — our inference, not a vendor statement
siemens-6gk5204-0bs00-3pa3 (same device)
SCALANCE X204RNA EEC· Siemens
60%
All versions < V3.2.7
Scalance X204RNA Firmware· Siemens
60%
All versions < V3.2.7
6Gk5204-0Ba00-2Kb2· Siemensdevice
80%
All versions
6Gk5204-0Ba00-2Mb2· Siemensdevice
80%
All versions
6Gk5204-0Bs00-2Na3· Siemensdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

PatchVendor Advisory
Source: [email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-363821.pdf

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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