Information disclosure in Apple Icloud

CVE-2017-13864

An issue was discovered in certain Apple products. iCloud before 7.2 on Windows is affected. iTunes before 12.7.2 on Windows is affected. The issue involves the "APNs Server" component. It allows man-in-the-middle attackers to track users by leveraging mishandling of client certificates.

Vulnerability class: Information Disclosure

EPSS: 0.007 (48.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-13864?
CVE-2017-13864 is a medium-severity vulnerability in Apple Icloud, classified under Information Disclosure. CVSS score: 5.9/10. Published 2017-12-25.
How severe is CVE-2017-13864?
Medium severity. CVSS v3 base score is 5.9 out of 10.