Vulnerability in Apple Mac OS X

CVE-2017-13871

An issue was discovered in certain Apple products. macOS before 10.13.2 is affected. The issue involves the "Mail" component. It allows remote attackers to read cleartext e-mail content (for which S/MIME encryption was intended) by leveraging the lack of installation of an S/MIME certificate by the recipient.

EPSS: 0.015 (71.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

References

Frequently asked questions

What is CVE-2017-13871?
CVE-2017-13871 is a high-severity vulnerability in Apple Mac OS X. CVSS score: 7.5/10. Published 2017-12-25.
How severe is CVE-2017-13871?
High severity. CVSS v3 base score is 7.5 out of 10.