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.

5.9

CVSS

Severity: Medium

CVSS 3.0 •

CVSS 2.0 •

EPSS 0.89% Top 30%

Vendor Advisory apple.com Vendor Advisory apple.com

Affected: n/a n/a

References

Link	Tags
https://support.apple.com/HT208692	vendor advisory
http://www.securitytracker.com/id/1040604	vdb entry third party advisory
http://www.securityfocus.com/bid/103581	vdb entry third party advisory
https://support.apple.com/HT208693	vendor advisory
http://www.securitytracker.com/id/1040608	vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-4174?: CVE-2018-4174 has been scored as a medium severity vulnerability.
How to fix CVE-2018-4174?: To fix CVE-2018-4174, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-4174 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2018-4174 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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