CVE-2019-6223
Published: November 3, 2021
Official Description
Apple iOS and macOS Group FaceTime contains an unspecified vulnerability where the call initiator can cause the recipient's Apple device to answer unknowingly or without user interaction.
CISA KEV Advisory
Apple iOS and macOS Group Facetime Vulnerability
Apple iOS and macOS Group FaceTime contains an unspecified vulnerability where the call initiator can cause the recipient's Apple device to answer unknowingly or without user interaction.
Apply updates per vendor instructions.
Risk Analysis
An unspecified vulnerability in Apple iOS and macOS Group FaceTime allows the call initiator to cause the recipient's Apple device to answer unknowingly or without user interaction. This is a high-severity flaw with confirmed exploitation in the wild, posing a significant privacy and security risk.
This vulnerability is actively exploited in the wild and is included in CISA's KEV catalog, confirming its real-world impact.
Apple users should apply all available security updates for iOS and macOS to address this vulnerability. Ensure Group FaceTime is updated or disabled if not in use.
Technical Analysis
CVE-2019-6223 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2019-6223 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-6223 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1