CVE-2023-33248
CVE-2023-33248 is a high-severity vulnerability in Amazon Alexa with a CVSS 3.x base score of 7.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 3.x base score 7.6)
- EPSS exploit prediction: 1% (47th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Amazon Alexa
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2023-33248?
- 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.
- How severe is CVE-2023-33248?
- CVE-2023-33248 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity high, and availability high.
- Is CVE-2023-33248 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-33248?
- CVE-2023-33248 affects Amazon Alexa. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-33248?
- 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-2023-33248 published?
- CVE-2023-33248 was published on 2023-05-24 and last updated on 2026-06-17.
References
- https://arxiv.org/abs/2305.10358
- https://cios2023.org/papers
- https://github.com/reveondivad/nuance
- https://sites.google.com/view/nuitattack/home
- https://www.usenix.org/system/files/sec23fall-prepub-261-xia-qi.pdf
- https://youtu.be/3gEc5ZFWIWo
Affected products (1)
- cpe:2.3:o:amazon:alexa:8960323972:*:*:*:*:*:*:*