CVE-2017-13864
It allows man-in-the-middle attackers to track users by leveraging mishandling of client certificates.
Does this matter?
Lower severity and a low EPSS score (0.68%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.0
- 5.9 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.68% probability · 52th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- apple/icloud · apple/itunes
- Source
- product-security@apple.com
EPSS 0.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/102192Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040013Third Party Advisory, VDB Entry
- https://support.apple.com/HT208326Vendor Advisory
- https://support.apple.com/HT208328Vendor Advisory
- http://www.securityfocus.com/bid/102192Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040013Third Party Advisory, VDB Entry
- https://support.apple.com/HT208326Vendor Advisory
- https://support.apple.com/HT208328Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.