An issue was discovered in certain Apple products. iOS before 10.2 is affected. The issue involves the "Mail" component, which does not alert the user to an S/MIME email signature that used a revoked certificate.
http://www.securityfocus.com/bid/94850
Source: MITRE
Published: 2017-02-20
Updated: 2017-07-27
Type: CWE-254
Base Score: 5
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N
Impact Score: 2.9
Exploitability Score: 10
Severity: MEDIUM
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Impact Score: 3.6
Exploitability Score: 3.9
Severity: HIGH