CVE-2023-33248

Name: CVE-2023-33248
Creator: NVD / NIST
Published: 2023-05-24T22:15:09.207+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.6/10EPSS 0.67%

Last modified Jun 17, 2026

CVE-2023-33248 is a high-severity vulnerability rated 7.6/10 on the CVSS scale. Amazon Alexa software version 8960323972 on Echo Dot 2nd generation and 3rd generation devices potentially allows attackers to deliver security-relevant commands via an audio signal between 16 and 22 kHz (often outside the range of human adult hearing). Commands at these frequencies are essentially never spoken by authorized actors, but a substantial fraction of the commands are successful.. EPSS estimates a 0.67% chance of exploitation in the next 30 days.

Description

Amazon Alexa software version 8960323972 on Echo Dot 2nd generation and 3rd generation devices potentially allows attackers to deliver security-relevant commands via an audio signal between 16 and 22 kHz (often outside the range of human adult hearing). Commands at these frequencies are essentially never spoken by authorized actors, but a substantial fraction of the commands are successful.

Metrics

CVSS 3.1

7.6/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H

EPSS Probability

0.67%

47.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Amazon	Alexa	8960323972

References

https://arxiv.org/abs/2305.10358Third Party Advisory
https://cios2023.org/papersThird Party Advisory
https://github.com/reveondivad/nuanceExploit, Third Party Advisory
https://sites.google.com/view/nuitattack/homeThird Party Advisory
https://www.usenix.org/system/files/sec23fall-prepub-261-xia-qi.pdfExploit, Technical Description, Third Party Advisory
https://youtu.be/3gEc5ZFWIWoExploit, Technical Description, Third Party Advisory
https://arxiv.org/abs/2305.10358Third Party Advisory
https://cios2023.org/papersThird Party Advisory
https://github.com/reveondivad/nuanceExploit, Third Party Advisory
https://sites.google.com/view/nuitattack/homeThird Party Advisory
https://www.usenix.org/system/files/sec23fall-prepub-261-xia-qi.pdfExploit, Technical Description, Third Party Advisory
https://youtu.be/3gEc5ZFWIWoExploit, Technical Description, Third Party Advisory

Timeline

Published: May 24, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-33248?

How severe is CVE-2023-33248?

CVE-2023-33248 has a CVSS score of 7.6/10 (HIGH severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.

How do I fix CVE-2023-33248?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-33248?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST