How severe is CVE-2022-4240?

CVE-2022-4240 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2022-4240 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-4240?

CVE-2022-4240 affects Honeywell Onewireless Network Wireless Device Manager Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-4240?

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

When was CVE-2022-4240 published?

CVE-2022-4240 was published on 2023-05-30 and last updated on 2026-06-17.

CVE-2022-4240

CVE-2022-4240 is a medium-severity vulnerability in Honeywell Onewireless Network Wireless Device Manager 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-306.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Honeywell Onewireless Network Wireless Device Manager Firmware
Published: 2023-05-30
Last modified: 2026-06-17

Description

Missing Authentication for Critical Function vulnerability in Honeywell OneWireless allows Authentication Bypass. This issue affects OneWireless version 322.1

Frequently asked questions

What is CVE-2022-4240?: Missing Authentication for Critical Function vulnerability in Honeywell OneWireless allows Authentication Bypass. This issue affects OneWireless version 322.1
How severe is CVE-2022-4240?: CVE-2022-4240 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2022-4240 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-4240?: CVE-2022-4240 affects Honeywell Onewireless Network Wireless Device Manager Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-4240?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-4240 published?: CVE-2022-4240 was published on 2023-05-30 and last updated on 2026-06-17.

References

https://process.honeywell.com/

Affected products (1)

cpe:2.3:o:honeywell:onewireless_network_wireless_device_manager_firmware:*:*:*:*:*:*:*:*

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