How severe is CVE-2022-40903?

CVE-2022-40903 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-40903 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40903?

CVE-2022-40903 primarily affects Aiphone Gt-dmb-n Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-40903?

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

When was CVE-2022-40903 published?

CVE-2022-40903 was published on 2022-11-14 and last updated on 2026-06-17.

CVE-2022-40903

CVE-2022-40903 is a medium-severity vulnerability in Aiphone Gt-dmb-n Firmware with a CVSS 3.x base score of 6.5. 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-307.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-307
Affected product: Aiphone Gt-dmb-n Firmware
Published: 2022-11-14
Last modified: 2026-06-17

Description

Aiphone GT-DMB-N 3-in-1 Video Entrance Station with NFC Reader 1.0.3 does not mitigate against repeated failed access attempts, which allows an attacker to gain administrative privileges.

Frequently asked questions

What is CVE-2022-40903?: Aiphone GT-DMB-N 3-in-1 Video Entrance Station with NFC Reader 1.0.3 does not mitigate against repeated failed access attempts, which allows an attacker to gain administrative privileges.
How severe is CVE-2022-40903?: CVE-2022-40903 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-40903 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40903?: CVE-2022-40903 primarily affects Aiphone Gt-dmb-n Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-40903?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-40903 published?: CVE-2022-40903 was published on 2022-11-14 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:aiphone:gt-dmb-n_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:aiphone:gt-dmb_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:aiphone:gt-dmb-lvn_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:aiphone:gt-db-vn_firmware:*:*:*:*:*:*:*:*

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