SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-4174

It allows man-in-the-middle attackers to read S/MIME encrypted messages by leveraging an inconsistency in the user interface.

MEDIUM 5.9EPSS 1.45%

Does this matter?

Lower severity and a low EPSS score (1.45%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.0
5.9 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
1.45% probability · 72th percentile
CISA KEV
Not listed
Affected
apple/iphone os · apple/mac os x
Source
product-security@apple.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.