What’s Vulnerable › Vulnerabilities

CVE-2023-45866

• Severity: medium (CVSS 6.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-12-08 · updated 2026-06-17
• Weakness: CWE-287

Description

Bluetooth HID Hosts in BlueZ may permit an unauthenticated Peripheral role HID Device to initiate and establish an encrypted connection, and accept HID keyboard reports, potentially permitting injection of HID messages when no user interaction has occurred in the Central role to authorize such access. An example affected package is bluez 5.64-0ubuntu1 in Ubuntu 22.04LTS. NOTE: in some cases, a CVE-2020-0556 mitigation would have already addressed this Bluetooth HID Hosts issue.

Affected products

• Apple iPadOS: before 17.2 — fixed in 17.2
• Apple Iphone Os: before 17.2; 16.6 — fixed in 17.2
• Apple macOS: from 14.0 before 14.2; 12.6.7, 13.3.3 — fixed in 14.2
• Canonical Ubuntu Linux: 18.04, 20.04, 22.04, 23.10
• Debian Linux: 10.0
• Fedoraproject Fedora: 38, 39
• Android: 4.2.2, 6.0.1, 10.0, 11.0, 13.0, 14.0

How to fix

Upgrade to a fixed version: Apple iPadOS 17.2; Apple Iphone Os 17.2; Apple macOS 14.2. Check the vendor advisory for mitigations.

References

• http://changelogs.ubuntu.com/changelogs/pool/main/b/bluez/bluez_5.64-0ubuntu1/changelog
• http://seclists.org/fulldisclosure/2023/Dec/7
• http://seclists.org/fulldisclosure/2023/Dec/9
• https://bluetooth.com
• https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/profiles/input?id=25a471a83e02e1effb15d5a488b3f0085eaeb675
• https://github.com/skysafe/reblog/tree/main/cve-2023-45866
• https://lists.debian.org/debian-lts-announce/2023/12/msg00011.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/77YQQS5FXPYE6WBBZO3REFIRAUJHERFA/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D2N2P5LMP3V7IJONALV2KOFL4NUU23CJ/
• https://security.gentoo.org/glsa/202401-03
• https://support.apple.com/kb/HT214035
• https://support.apple.com/kb/HT214036

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