CVE-2017-13871 json
An issue was discovered in certain Apple products.
published 2017-12-25 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-5386
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 74%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- apple mac_os_x 10.13.2
Exploit prediction
1.48% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
References
-
support.apple.com
/HT208331
vendor-advisory
-
securitytracker.com
/id/1039966
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/102099
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2017-13871
- NVD CVE-2017-13871
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.