CVE-2016-4721
The issue involves the "IDS - Connectivity" component, which allows man-in-the-middle attackers to spoof calls via a "switch caller" notification.
Does this matter?
Lower severity and a low EPSS score (0.97%). Track it; it rarely justifies an emergency change on its own.
Description
An issue was discovered in certain Apple products. iOS before 10.1 is affected. macOS before 10.12.1 is affected. The issue involves the "IDS - Connectivity" component, which allows man-in-the-middle attackers to spoof calls via a "switch caller" notification.
- CVSS 3.0
- 5.9 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 0.97% probability · 62th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-254
- Affected
- apple/iphone os · apple/mac os x
- Source
- product-security@apple.com
EPSS 1.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/94429Third Party Advisory, VDB Entry
- https://support.apple.com/HT207271Vendor Advisory
- https://support.apple.com/HT207275Vendor Advisory
- http://www.securityfocus.com/bid/94429Third Party Advisory, VDB Entry
- https://support.apple.com/HT207271Vendor Advisory
- https://support.apple.com/HT207275Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.