CVE-2017-13903

HIGH

iPhone OS and tvOS < 11.2.1 - Remote Application State Modification in HomeKit

Title source: llm
STIX 2.1

Description

An issue was discovered in certain Apple products. iOS before 11.2.1 is affected. tvOS before 11.2.1 is affected. The issue involves the "HomeKit" component. It allows remote attackers to modify the application state by leveraging incorrect message handling, as demonstrated by use of an Apple Watch to obtain an encryption key and unlock a door.

References (5)

Core 5
Core References
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT208359
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1040008
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/102182
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT208357

Scores

CVSS v3 7.5
EPSS 0.0106
EPSS Percentile 61.0%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

Status published
Products (2)
apple/iphone_os < 11.2.1
apple/tvos < 11.2.1
Published Dec 25, 2017
Tracked Since Feb 18, 2026