Vulnerability Description
An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. The issue involves the "Security" component. It allows web sites to track users by leveraging the transmission of S/MIME client certificates.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Iphone Os | < 11.4 |
| Apple | Mac Os X | < 10.13.5 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/104897Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041027Third Party AdvisoryVDB Entry
- https://support.apple.com/HT208848Vendor Advisory
- https://support.apple.com/HT208849Vendor Advisory
- http://www.securityfocus.com/bid/104897Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041027Third Party AdvisoryVDB Entry
- https://support.apple.com/HT208848Vendor Advisory
- https://support.apple.com/HT208849Vendor Advisory
FAQ
What is CVE-2018-4221?
CVE-2018-4221 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. The issue involves the "Security" component. It allows web sites to track users by lev...
How severe is CVE-2018-4221?
CVE-2018-4221 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-4221?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Iphone Os, Apple Mac Os X.