CVE-2017-13903

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

25/12/2017

Last modified:

20/04/2025

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.

Impact

Vector 3.x

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x

7.50

Severity 3.x

HIGH

Vector 2.0

AV:N/AC:L/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None