How severe is CVE-2022-46355?

CVE-2022-46355 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-46355 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-46355?

CVE-2022-46355 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-2022-46355?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-46355 published?

CVE-2022-46355 was published on 2022-12-13 and last updated on 2026-06-17.

CVE-2022-46355

CVE-2022-46355 is a high-severity vulnerability in Siemens 6gk5204-0ba00-2mb2 Firmware with a CVSS 3.x base score of 7.5. 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
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). The affected products are vulnerable to an "Exposure of Sensitive Information to an Unauthorized Actor" vulnerability by leaking sensitive data in the HTTP Referer.

Frequently asked questions

What is CVE-2022-46355?: 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.
How severe is CVE-2022-46355?: CVE-2022-46355 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-46355 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-46355?: CVE-2022-46355 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-2022-46355?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-46355 published?: CVE-2022-46355 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-2022-46352 — 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-2022-46351 — Medium (CVSS 5.5): 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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