CVE-2017-13860: Apple iPhone OS

Medium severity, CVSS 5.9. EPSS: 0.9% chance of exploitation in the next 30 days.

An issue was discovered in certain Apple products. iOS before 11.2 is affected. macOS before 10.13.2 is affected. The issue involves the "Mail Drafts" component. It allows man-in-the-middle attackers to read e-mail content by leveraging mishandling of S/MIME credential encryption.

Affected products

• Apple iPhone OS: before 11.2 (fixed in 11.2)
• Apple Mac OS X: before 10.13.2 (fixed in 10.13.2)

Published 2017-12-25. Last modified 2026-06-17.