What is CVE-2023-27964?

CVE-2023-27964 is a medium-severity vulnerability in Apple Airpods Firmware, classified under Authentication Bypass by Spoofing. CVSS score: 5.4/10. Published 2023-06-23.

How severe is CVE-2023-27964?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Vulnerability in Apple Airpods Firmware

CVE-2023-27964

An authentication issue was addressed with improved state management. This issue is fixed in AirPods Firmware Update 5E133. When your headphones are seeking a connection request to one of your previously paired devices, an attacker in Bluetooth range might be able to spoof the intended source device and gain access to your headphones.

Published 2023-06-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.082 (94.7th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.082 · newest: 0.082 · change: 0.000

Affected products

Apple Airpods Firmware — versions 5e133
Apple Airpods Firmware Update E — versions unspecified

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

support.apple.com/en-us/HT213752 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2023-27964?: CVE-2023-27964 is a medium-severity vulnerability in Apple Airpods Firmware, classified under Authentication Bypass by Spoofing. CVSS score: 5.4/10. Published 2023-06-23.
How severe is CVE-2023-27964?: Medium severity. CVSS v3 base score is 5.4 out of 10.