Medium severity5.9NVD Advisory· Published Apr 3, 2018· Updated Jun 17, 2026

CVE-2018-4174

Description

An issue was discovered in certain Apple products. iOS before 11.3 is affected. 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 messages by leveraging an inconsistency in the user interface.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Apple Inc./Iphone OS
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Range: <11.3
Apple Inc./Mac OS X
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
Range: <10.13.4
Apple Inc./macOSllm-fuzzy
Range: < 10.13.4
Apple Inc./iOSllm-fuzzy
Range: < 11.3

Patches

Vulnerability mechanics

References

www.securityfocus.com/bid/103581nvdThird Party AdvisoryVDB Entry
www.securitytracker.com/id/1040604nvdThird Party AdvisoryVDB Entry
www.securitytracker.com/id/1040608nvdThird Party AdvisoryVDB Entry
support.apple.com/HT208692nvdVendor Advisory
support.apple.com/HT208693nvdVendor Advisory

News mentions

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cvss	0.384
epss	0.001
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ransomware	0.000