Strix
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CVE-2018-4221

UnknownEPSS 1.26%

Last modified

CVE-2018-4221 is a vulnerability of currently unknown severity. An issue was discovered in certain Apple products. iOS before 11.4 is affected. EPSS estimates a 1.26% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
1.26%

66.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AppleIphone Os< 11.4
AppleMac Os X< 10.13.5

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-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. It allows web sites to track users by leveraging the transmission of S/MIME client certificates.
How severe is CVE-2018-4221?
Severity scoring for CVE-2018-4221 is pending analysis. The EPSS model estimates a 1.26% probability of exploitation in the next 30 days.
How do I fix CVE-2018-4221?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-4221?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST