How severe is CVE-2022-46351?

CVE-2022-46351 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-46351 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-46351?

CVE-2022-46351 primarily affects Siemens 6gk5204-0ba00-2mb2 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-46351?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-46351 published?

CVE-2022-46351 was published on 2022-12-13 and last updated on 2026-06-17.

CVE-2022-46351

CVE-2022-46351 is a medium-severity vulnerability in Siemens 6gk5204-0ba00-2mb2 Firmware with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Siemens 6gk5204-0ba00-2mb2 Firmware
Published: 2022-12-13
Last modified: 2026-06-17

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).

Frequently asked questions

What is CVE-2022-46351?: 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).
How severe is CVE-2022-46351?: CVE-2022-46351 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-46351 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-46351?: CVE-2022-46351 primarily affects Siemens 6gk5204-0ba00-2mb2 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-46351?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-46351 published?: CVE-2022-46351 was published on 2022-12-13 and last updated on 2026-06-17.

References

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

Affected products (5)

cpe:2.3:o:siemens:6gk5204-0ba00-2mb2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:6gk5204-0ba00-2kb2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:6gk5204-0bs00-2na3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:6gk5204-0bs00-3la3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:6gk5204-0bs00-3pa3_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Siemens 6gk5204-0ba00-2mb2 Firmware

CVE-2022-46353 — Critical (CVSS 9.8): A vulnerability has been identified in SCALANCE X204RNA (HSR) (All versions < V3.2.7), SCALANCE X204RNA (PRP) (All…
CVE-2022-46355 — High (CVSS 7.5): A vulnerability has been identified in SCALANCE X204RNA (HSR) (All versions < V3.2.7), SCALANCE X204RNA (PRP) (All…
CVE-2022-46352 — High (CVSS 7.5): A vulnerability has been identified in SCALANCE X204RNA (HSR) (All versions < V3.2.7), SCALANCE X204RNA (PRP) (All…
CVE-2022-46350 — Medium (CVSS 6.1): A vulnerability has been identified in SCALANCE X204RNA (HSR) (All versions < V3.2.7), SCALANCE X204RNA (PRP) (All…
CVE-2022-46354 — Medium (CVSS 5.3): A vulnerability has been identified in SCALANCE X204RNA (HSR) (All versions < V3.2.7), SCALANCE X204RNA (PRP) (All…

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