CVE-2021-1855
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.8%
exploitation probability
0.8%top 46% of all CVEs
observed exploitation
nono source reports it
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.
Affected products
Apple · macOSReferences
https://support.apple.com/en-us/HT212325