How severe is CVE-2023-22441?

CVE-2023-22441 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.

Is CVE-2023-22441 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-22441?

CVE-2023-22441 primarily affects Seiko-sol Skybridge Basic Mb-a130 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-22441?

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-2023-22441 published?

CVE-2023-22441 was published on 2023-05-10 and last updated on 2026-06-17.

CVE-2023-22441

CVE-2023-22441 is a high-severity vulnerability in Seiko-sol Skybridge Basic Mb-a130 Firmware with a CVSS 3.x base score of 8.6. 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-306.

Key facts

Severity: High (CVSS 3.x base score 8.6)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Seiko-sol Skybridge Basic Mb-a130 Firmware
Published: 2023-05-10
Last modified: 2026-06-17

Description

Missing authentication for critical function exists in Seiko Solutions SkyBridge series, which may allow a remote attacker to obtain or alter the setting information of the product or execute some critical functions without authentication, e.g., rebooting the product. Affected products and versions are as follows: SkyBridge MB-A200 firmware Ver. 01.00.05 and earlier, and SkyBridge BASIC MB-A130 firmware Ver. 1.4.1 and earlier

Frequently asked questions

What is CVE-2023-22441?: Missing authentication for critical function exists in Seiko Solutions SkyBridge series, which may allow a remote attacker to obtain or alter the setting information of the product or execute some critical functions without authentication, e.g., rebooting the product. Affected products and versions are as follows: SkyBridge MB-A200 firmware Ver. 01.00.05 and earlier, and SkyBridge BASIC MB-A130 firmware Ver. 1.4.1 and earlier
How severe is CVE-2023-22441?: CVE-2023-22441 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.
Is CVE-2023-22441 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-22441?: CVE-2023-22441 primarily affects Seiko-sol Skybridge Basic Mb-a130 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-22441?: 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-2023-22441 published?: CVE-2023-22441 was published on 2023-05-10 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:seiko-sol:skybridge_basic_mb-a130_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:seiko-sol:skybridge_mb-a200_firmware:*:*:*:*:*:*:*:*

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