VulnerabilityModified
CVE-2018-4221
It allows web sites to track users by leveraging the transmission of S/MIME client certificates.
HIGH 7.5EPSS 1.25%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.25% probability · 68th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- apple/iphone os · apple/mac os x
- Source
- product-security@apple.com
References
- http://www.securityfocus.com/bid/104897Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041027Third Party Advisory, VDB Entry
- https://support.apple.com/HT208848Vendor Advisory
- https://support.apple.com/HT208849Vendor Advisory
- http://www.securityfocus.com/bid/104897Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041027Third Party Advisory, VDB Entry
- https://support.apple.com/HT208848Vendor Advisory
- https://support.apple.com/HT208849Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.