Vulnerability in Apple macOS

CVE-2020-9942

An inconsistent user interface issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1, Safari 13.1.2. Visiting a malicious website may lead to address bar spoofing.

EPSS: 0.012 (64.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-9942?
CVE-2020-9942 is a medium-severity vulnerability in Apple macOS, classified under Improper Restriction of Rendered UI Layers or Frames (Clickjacking). CVSS score: 4.3/10. Published 2020-12-08.
How severe is CVE-2020-9942?
Medium severity. CVSS v3 base score is 4.3 out of 10.