How severe is CVE-2021-44905?

CVE-2021-44905 has a CVSS 3.x base score of 8.2, rated high 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 high.

Is CVE-2021-44905 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-44905?

CVE-2021-44905 affects Cef Fortessa Ftbtld Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-44905?

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-2021-44905 published?

CVE-2021-44905 was published on 2022-03-25 and last updated on 2026-06-17.

CVE-2021-44905

CVE-2021-44905 is a high-severity vulnerability in Cef Fortessa Ftbtld Firmware with a CVSS 3.x base score of 8.2. 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-276.

Key facts

Severity: High (CVSS 3.x base score 8.2)
CVSS v2: 8.5
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Cef Fortessa Ftbtld Firmware
Published: 2022-03-25
Last modified: 2026-06-17

Description

Incorrect permissions in the Bluetooth Services in the Fortessa FTBTLD Smart Lock as of 12-13-2022 allows a remote attacker to disable the lock via an unauthenticated edit to the lock name.

Frequently asked questions

What is CVE-2021-44905?: Incorrect permissions in the Bluetooth Services in the Fortessa FTBTLD Smart Lock as of 12-13-2022 allows a remote attacker to disable the lock via an unauthenticated edit to the lock name.
How severe is CVE-2021-44905?: CVE-2021-44905 has a CVSS 3.x base score of 8.2, rated high 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 high.
Is CVE-2021-44905 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44905?: CVE-2021-44905 affects Cef Fortessa Ftbtld Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-44905?: 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-2021-44905 published?: CVE-2021-44905 was published on 2022-03-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:cef:fortessa_ftbtld_firmware:*:*:*:*:*:*:*:*

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