How severe is CVE-2021-37436?

CVE-2021-37436 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over physical access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-37436 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-37436?

CVE-2021-37436 affects Amazon Echo Dot Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-37436?

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

When was CVE-2021-37436 published?

CVE-2021-37436 was published on 2021-07-24 and last updated on 2026-06-17.

CVE-2021-37436

CVE-2021-37436 is a medium-severity vulnerability in Amazon Echo Dot Firmware with a CVSS 3.x base score of 4.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 4.2)
CVSS v2: 1.9
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Amazon Echo Dot Firmware
Published: 2021-07-24
Last modified: 2026-06-17

Description

Amazon Echo Dot devices through 2021-07-02 sometimes allow attackers, who have physical access to a device after a factory reset, to obtain sensitive information via a series of complex hardware and software attacks. NOTE: reportedly, there were vendor marketing statements about safely removing personal content via a factory reset. Also, the vendor has reportedly indicated that they are working on mitigations.

Frequently asked questions

What is CVE-2021-37436?: Amazon Echo Dot devices through 2021-07-02 sometimes allow attackers, who have physical access to a device after a factory reset, to obtain sensitive information via a series of complex hardware and software attacks. NOTE: reportedly, there were vendor marketing statements about safely removing personal content via a factory reset. Also, the vendor has reportedly indicated that they are working on mitigations.
How severe is CVE-2021-37436?: CVE-2021-37436 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over physical access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-37436 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-37436?: CVE-2021-37436 affects Amazon Echo Dot Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-37436?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-37436 published?: CVE-2021-37436 was published on 2021-07-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:amazon:echo_dot_firmware:*:*:*:*:*:*:*:*

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