What’s Vulnerable › Vulnerabilities

CVE-2015-3750

• Severity: medium (CVSS 6.4 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2015-08-16 · updated 2026-06-17
• Weakness: CWE-254

Description

WebKit in Apple Safari before 6.2.8, 7.x before 7.1.8, and 8.x before 8.0.8, as used in iOS before 8.4.1 and other products, does not enforce the HTTP Strict Transport Security (HSTS) protection mechanism for Content Security Policy (CSP) report requests, which allows man-in-the-middle attackers to obtain sensitive information by sniffing the network or spoof a report by modifying the client-server data stream.

Affected products

• Apple Iphone Os: through 8.4; before 8.4.1 — fixed in 8.4.1
• Apple Safari: from 6.0 before 6.2.8; from 7.0 before 7.1.8; from 8.0 before 8.0.8 — fixed in 6.2.8, 7.1.8, 8.0.8

How to fix

Upgrade to a fixed version: Apple Iphone Os 8.4.1; Apple Safari 6.2.8, 7.1.8, 8.0.8. Check the vendor advisory for mitigations.

References

• http://lists.apple.com/archives/security-announce/2015/Aug/msg00000.html
• http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html
• http://lists.opensuse.org/opensuse-updates/2016-03/msg00054.html
• http://www.securityfocus.com/bid/76341
• http://www.securitytracker.com/id/1033274
• https://support.apple.com/kb/HT205030
• https://support.apple.com/kb/HT205033
• http://lists.apple.com/archives/security-announce/2015/Aug/msg00000.html
• http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html
• http://lists.opensuse.org/opensuse-updates/2016-03/msg00054.html
• http://www.securityfocus.com/bid/76341
• http://www.securitytracker.com/id/1033274

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