CVE-2016-4689
An issue was discovered in certain Apple products. iOS before 10.2 is affected. The issue...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2016-4689- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-254
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2016-4689- Updated
- 2026-11-02
EUVDEUVD-2016-5674 No score
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.
- Record
EUVD-2016-5674- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rmj3-82mq-c3c4
An issue was discovered in certain Apple products. iOS before 10.2 is affected. The issue...
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.
- Record
GHSA-rmj3-82mq-c3c4- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-4689 is a high vulnerability (CVSS 7.5) in Apple Iphone Os, published February 20, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.00%, the 63rd percentile. No source names a fixed version.