Vulnerability in Apple Mac Os X

CVE-2018-4111

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.

EPSS: 0.012 (63.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-4111?
CVE-2018-4111 is a medium-severity vulnerability in Apple Mac Os X, classified under Improper Verification of Cryptographic Signature. CVSS score: 5.9/10. Published 2018-04-03.
How severe is CVE-2018-4111?
Medium severity. CVSS v3 base score is 5.9 out of 10.