VULNERABILITY INTELLIGENCE

CVE-2021-1855

CVSS score6.5 MEDIUM
EPSS probability0.79%
CISA KEVNot currently listed
Published2021-09-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Description

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3. A malicious website may be able to force unnecessary network connections to fetch its favicon.

Weakness classification

  • nvd@nist.gov: NVD-CWE-noinfo

Primary references