VulnerabilityModified
CVE-2021-30866
A user privacy issue was addressed by removing the broadcast MAC address.
MEDIUM 6.5EPSS 0.52%
Does this matter?
Lower severity and a low EPSS score (0.52%). Track it; it rarely justifies an emergency change on its own.
Description
A user privacy issue was addressed by removing the broadcast MAC address. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. A device may be passively tracked by its WiFi MAC address.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.52% probability · 44th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- apple/ipados · apple/iphone os · apple/macos · apple/tvos · apple/watchos
- Source
- product-security@apple.com
EPSS 0.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://support.apple.com/en-us/HT212814
- https://support.apple.com/en-us/HT212815
- https://support.apple.com/en-us/HT212819
- https://support.apple.com/kb/HT212869
- https://support.apple.com/en-us/HT212814
- https://support.apple.com/en-us/HT212815
- https://support.apple.com/en-us/HT212819
- https://support.apple.com/kb/HT212869
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.