What’s Vulnerable › Vulnerabilities

CVE-2016-4721

• Severity: medium (CVSS 5.9 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-02-20 · updated 2026-06-17
• Weakness: CWE-254

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.

Affected products

• Apple Iphone Os: through 10.0.3
• macOS: through 10.12.0

References

• http://www.securityfocus.com/bid/94429
• https://support.apple.com/HT207271
• https://support.apple.com/HT207275
• http://www.securityfocus.com/bid/94429
• https://support.apple.com/HT207271
• https://support.apple.com/HT207275

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