CVE-2018-4221
published 2018-06-08CVE-2018-4221: 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…
PriorityP339high7.5CVSS 3.0
AVNACLPRNUINSUCHINAN
EPSS
1.26%
66.7th percentile
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.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios | — | — |
| apple | iphone_os | < 11.4 | 11.4 |
| apple | mac_os_x | < 10.13.5 | 10.13.5 |
| apple | macos_high_sierra_10.13.5_security_update_2018-003_sierra_security_update_2018-0 | — | — |
CVSS provenance
nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
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GHSA
GHSA-vr7w-7rr7-4c5c: An issue was discovered in certain Apple products
ghsa_unreviewed·2022-05-14
CVE-2018-4221 [HIGH] CWE-200 GHSA-vr7w-7rr7-4c5c: An issue was discovered in certain Apple products
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.
Apple
CVE-2018-4221: macOS High Sierra 10.13.5, Security Update 2018-003 Sierra, Security Update 2018-003 El Capitan
vendor_apple·2018-06-01·CVSS 7.5
CVE-2018-4221 [HIGH] CVE-2018-4221: macOS High Sierra 10.13.5, Security Update 2018-003 Sierra, Security Update 2018-003 El Capitan
Apple Security Update: About the security content of macOS High Sierra 10.13.5, Security Update 2018-003 Sierra, Security Update 2018-003 El Capitan
Product: macOS High Sierra 10.13.5, Security Update 2018-003 Sierra, Security Update 2018-003 El Capitan
CVE: CVE-2018-4221
Component: Security
Impact: Users may be tracked by malicious websites using client certificates
Description: An issue existed in the handling of S-MIME certificates. This issue was addressed with improved validation of S-MIME certificates.
Apple
CVE-2018-4221: iOS 11.4
vendor_apple·2018-05-29·CVSS 7.5
CVE-2018-4221 [HIGH] CVE-2018-4221: iOS 11.4
Apple Security Update: About the security content of iOS 11.4
Product: iOS
Version: 11.4
CVE: CVE-2018-4221
Component: Security
Impact: Users may be tracked by malicious websites using client certificates
Description: An issue existed in the handling of S-MIME certificates. This issue was addressed with improved validation of S-MIME certificates.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2018-06-08
Published