Vulnerability in Apple Icloud

CVE-2018-4190

An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. The issue involves the "WebKit" component. It allows remote attackers to obtain sensitive credential information that is transmitted during a CSS mask-image fetch.

EPSS: 0.036 (88.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-4190?
CVE-2018-4190 is a high-severity vulnerability in Apple Icloud, classified under Insufficiently Protected Credentials. CVSS score: 8.8/10. Published 2018-06-08.
How severe is CVE-2018-4190?
High severity. CVSS v3 base score is 8.8 out of 10.