VULNERABILITY INTELLIGENCE
CVE-2018-4111
CVSS score5.9 MEDIUM
EPSS probability1.11%
CISA KEVNot currently listed
Published2018-04-03
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Description
An issue was discovered in certain Apple products. macOS before 10.13.4 is affected. The issue involves the "Mail" component. It allows man-in-the-middle attackers to read S/MIME encrypted message content by sending HTML e-mail that references remote resources but lacks a valid S/MIME signature.
Weakness classification
- CWE-347: Improper Verification of Cryptographic Signature
Primary references
- product-security@apple.com — Third Party Advisory, VDB Entry
- product-security@apple.com — Third Party Advisory, VDB Entry
- product-security@apple.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory