VulnerabilityModified
CVE-2021-1855
A malicious website may be able to force unnecessary network connections to fetch its favicon.
MEDIUM 6.5EPSS 0.79%
Does this matter?
Lower severity and a low EPSS score (0.79%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- EPSS
- 0.79% probability · 54th percentile
- CISA KEV
- Not listed
- Affected
- apple/macos
- Source
- product-security@apple.com
References
- https://support.apple.com/en-us/HT212325Vendor Advisory
- https://support.apple.com/en-us/HT212325Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.