CVE-2011-1418

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-03-11 · updated 2026-06-16
Weakness: CWE-200

Description

The stateless address autoconfiguration (aka SLAAC) functionality in the IPv6 networking implementation in Apple iOS before 4.3 and Apple TV before 4.2 places the MAC address into the IPv6 address, which makes it easier for remote IPv6 servers to track users by logging source IPv6 addresses.

Affected products

Apple TV: 4.0
Apple Iphone Os: through 4.2; 1.0.0, 1.0.1, 1.0.2, 1.1.0, 1.1.1, 1.1.2 (+23)
Apple tvOS: through 3.0.2; 1.0.0, 1.1.0, 2.0.0, 2.0.1, 2.0.2, 2.1.0

References

http://lists.apple.com/archives/security-announce/2011//Mar/msg00003.html
http://lists.apple.com/archives/security-announce/2011//Mar/msg00005.html
http://support.apple.com/kb/HT4564
http://support.apple.com/kb/HT4565
http://lists.apple.com/archives/security-announce/2011//Mar/msg00003.html
http://lists.apple.com/archives/security-announce/2011//Mar/msg00005.html
http://support.apple.com/kb/HT4564
http://support.apple.com/kb/HT4565

Get alerted when CVE-2011-1418 or the next vulnerability affects your stack