What’s Vulnerable › Vulnerabilities

CVE-2016-7579

• Severity: medium (CVSS 5.9 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% 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-200

Description

An issue was discovered in certain Apple products. iOS before 10.1 is affected. macOS before 10.12.1 is affected. tvOS before 10.0.1 is affected. The issue involves the "CFNetwork Proxies" component, which allows man-in-the-middle attackers to spoof a proxy password authentication requirement and obtain sensitive information.

Affected products

• Apple Iphone Os: before 10.1 — fixed in 10.1
• macOS: before 10.12.1 — fixed in 10.12.1
• Apple tvOS: before 10.0.1 — fixed in 10.0.1

How to fix

Upgrade to a fixed version: Apple Iphone Os 10.1; macOS 10.12.1; Apple tvOS 10.0.1. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/93856
• http://www.securitytracker.com/id/1037086
• https://support.apple.com/HT207270
• https://support.apple.com/HT207271
• https://support.apple.com/HT207275
• http://www.securityfocus.com/bid/93856
• http://www.securitytracker.com/id/1037086
• https://support.apple.com/HT207270
• https://support.apple.com/HT207271
• https://support.apple.com/HT207275

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