# CVE-2017-13864: iTunes: An issue was discovered in certain Apple products.

CVE-2017-13864 is fixed in iTunes on 1 platform by iTunes 12.11.4.15 (version 12.11.4.15), released August 4, 2021. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2017-13864
- Priority: Routine
- CVSS: 5.9
- EPSS: 0.0068
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 25, 2017
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2017-13864

## Description

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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | iTunes | 12.11.4.15 | [iTunes 12.11.4.15](https://patchblox.com/security/data/fix/windows-app/apple.itunes-12.11.4.15.md) | Aug 4, 2021 |

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Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo