CVE-2015-5860

Severity: medium (CVSS 5.0 v2.0)
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: 2015-09-18 · updated 2026-06-17
Weakness: CWE-200

Description

The CFNetwork HTTPProtocol component in Apple iOS before 9 mishandles HSTS state, which allows remote attackers to bypass the Safari private-browsing protection mechanism and track users via a crafted web site.

Affected products

Apple Iphone Os: through 8.4.1
Apple watchOS: 1.0

References

http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
http://www.securityfocus.com/bid/76764
http://www.securitytracker.com/id/1033609
https://support.apple.com/HT205212
https://support.apple.com/HT205267
http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
http://www.securityfocus.com/bid/76764
http://www.securitytracker.com/id/1033609
https://support.apple.com/HT205212
https://support.apple.com/HT205267

Get alerted when CVE-2015-5860 or the next vulnerability affects your stack