How severe is CVE-2020-9462?

CVE-2020-9462 has a CVSS 3.x base score of 4.3, 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 low, integrity none, and availability none.

Is CVE-2020-9462 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9462?

CVE-2020-9462 primarily affects Homey Homey 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-2020-9462?

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

When was CVE-2020-9462 published?

CVE-2020-9462 was published on 2020-06-04 and last updated on 2026-06-17.

CVE-2020-9462

CVE-2020-9462 is a medium-severity vulnerability in Homey Homey Firmware with a CVSS 3.x base score of 4.3. 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-312.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 3.3
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-312
Affected product: Homey Homey Firmware
Published: 2020-06-04
Last modified: 2026-06-17

Description

An issue was discovered in all Athom Homey and Homey Pro devices up to the current version 4.2.0. An attacker within RF range can obtain a cleartext copy of the network configuration of the device, including the Wi-Fi PSK, during device setup. Upon success, the attacker is able to further infiltrate the target's Wi-Fi networks.

Frequently asked questions

What is CVE-2020-9462?: An issue was discovered in all Athom Homey and Homey Pro devices up to the current version 4.2.0. An attacker within RF range can obtain a cleartext copy of the network configuration of the device, including the Wi-Fi PSK, during device setup. Upon success, the attacker is able to further infiltrate the target's Wi-Fi networks.
How severe is CVE-2020-9462?: CVE-2020-9462 has a CVSS 3.x base score of 4.3, 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 low, integrity none, and availability none.
Is CVE-2020-9462 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9462?: CVE-2020-9462 primarily affects Homey Homey 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-2020-9462?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-9462 published?: CVE-2020-9462 was published on 2020-06-04 and last updated on 2026-06-17.

References

https://developer.athom.com/firmware

Affected products (2)

cpe:2.3:o:homey:homey_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:homey:homey_pro_firmware:*:*:*:*:*:*:*:*

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