What is CVE-2017-13804?

CVE-2017-13804 is a medium-severity vulnerability in Apple Iphone OS, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2017-11-13.

How severe is CVE-2017-13804?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Improper input validation in Apple Iphone OS

CVE-2017-13804

An issue was discovered in certain Apple products. iOS before 11.1 is affected. macOS before 10.13.1 is affected. tvOS before 11.1 is affected. watchOS before 4.1 is affected. The issue involves the "StreamingZip" component. It allows remote attackers to write to unintended pathnames via a crafted ZIP archive.

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

Published 2017-11-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.014 (71.4th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.014 · change: +0.001

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

support.apple.com/HT208221 (Vendor Advisory)
support.apple.com/HT208222 (Vendor Advisory)
support.apple.com/HT208220 (Vendor Advisory)
support.apple.com/HT208219 (Vendor Advisory)
www.securitytracker.com/id/1039703 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2017-13804?: CVE-2017-13804 is a medium-severity vulnerability in Apple Iphone OS, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2017-11-13.
How severe is CVE-2017-13804?: Medium severity. CVSS v3 base score is 5.5 out of 10.