VULNERABILITY INTELLIGENCE
CVE-2019-8642
CVSS score3.3 LOW
EPSS probability0.32%
CISA KEVNot currently listed
Published2020-10-27
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Description
An issue existed in the handling of S-MIME certificates. This issue was addressed with improved validation of S-MIME certificates. This issue is fixed in macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra. Processing a maliciously crafted mail message may lead to S/MIME signature spoofing.
Weakness classification
- CWE-295: Improper Certificate Validation
Primary references
- product-security@apple.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory