What is CVE-2017-2453?

CVE-2017-2453 is a medium-severity vulnerability in Apple Iphone OS, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2017-04-02.

How severe is CVE-2017-2453?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in Apple Iphone OS

CVE-2017-2453

An issue was discovered in certain Apple products. iOS before 10.3 is affected. Safari before 10.1 is affected. The issue involves the "Safari" component. It allows remote attackers to spoof FaceTime prompts in the user interface via a crafted web site.

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

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

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.016 (74.5th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.securityfocus.com/bid/97129 (VDB Entry, Third Party Advisory, vdb-entry)
www.securitytracker.com/id/1038137 (vdb-entry)
support.apple.com/HT207600 (Vendor Advisory)
support.apple.com/HT207617 (Vendor Advisory)

Frequently asked questions

What is CVE-2017-2453?: CVE-2017-2453 is a medium-severity vulnerability in Apple Iphone OS, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2017-04-02.
How severe is CVE-2017-2453?: Medium severity. CVSS v3 base score is 6.5 out of 10.