VULNERABILITY INTELLIGENCE
CVE-2021-1861
CVSS score4.3 MEDIUM
EPSS probability0.87%
CISA KEVNot currently listed
Published2021-09-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Description
An issue existed in determining cache occupancy. The issue was addressed through improved logic. This issue is fixed in macOS Big Sur 11.3. A malicious website may be able to track users by setting state in a cache.
Weakness classification
- nvd@nist.gov: NVD-CWE-noinfo
Primary references
- product-security@apple.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory