What is CVE-2017-2434?

CVE-2017-2434 is a critical-severity vulnerability in Apple Iphone OS, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2017-04-02.

How severe is CVE-2017-2434?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Improper input validation in Apple Iphone OS

CVE-2017-2434

An issue was discovered in certain Apple products. iOS before 10.3 is affected. The issue involves the "HomeKit" component. It allows attackers to have an unspecified impact by leveraging the presence of Home Control on Control Center.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2017-04-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.024 (83.7th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000

Affected products

Apple Iphone OS

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.securitytracker.com/id/1038139 (vdb-entry)
www.securityfocus.com/bid/97138 (VDB Entry, Third Party Advisory, vdb-entry)
support.apple.com/HT207617 (Vendor Advisory)

Frequently asked questions

What is CVE-2017-2434?: CVE-2017-2434 is a critical-severity vulnerability in Apple Iphone OS, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2017-04-02.
How severe is CVE-2017-2434?: Critical severity. CVSS v3 base score is 9.8 out of 10.