What is CVE-2016-4721?

CVE-2016-4721 is a medium-severity vulnerability in Apple Iphone OS, classified under CWE-254. CVSS score: 5.9/10. Published 2017-02-20.

How severe is CVE-2016-4721?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Apple Iphone OS

CVE-2016-4721

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.

EPSS: 0.010 (58.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Apple Iphone_os
Apple Mac_os_x
N/a — versions n/a

Weakness classification (CWE)

CWE-254

References

product-security@apple.com (x_refsource_CONFIRM, Vendor Advisory)
product-security@apple.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
product-security@apple.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2016-4721?: CVE-2016-4721 is a medium-severity vulnerability in Apple Iphone OS, classified under CWE-254. CVSS score: 5.9/10. Published 2017-02-20.
How severe is CVE-2016-4721?: Medium severity. CVSS v3 base score is 5.9 out of 10.