CVE-2019-6223

HIGH

7.5

CVSS Score

Published: March 5, 2019 at 04:00 PM UTC

Updated: June 17, 2026 at 02:38 AM UTC

2 products affected across 1 vendormacOSiPhone OS

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Severity

HIGH7.5

Exploitation

CISA KEV

Exploit prediction

EPSS 3%

SSVC

Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score2.6%

EPSS (Exploit Prediction Scoring System) estimates a 2.6% chance this CVE is exploited in the wild within the next 30 days — higher than 85% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

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.

Required Action

Apply updates per vendor instructions.

Ransomware Use

Unknown

Added to KEV

Nov 3, 2021

Remediation Due

May 3, 2022

1639 days overdue

Notes

https://nvd.nist.gov/vuln/detail/CVE-2019-6223

Description

A logic issue existed in the handling of Group FaceTime calls. The issue was addressed with improved state management. This issue is fixed in iOS 12.1.4, macOS Mojave 10.14.3 Supplemental Update. The initiator of a Group FaceTime call may be able to cause the recipient to answer.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

iPhone OS · Apple

95%

v < 12.1.4v < iOS 12.1.3

Affected range stops below 12.1.4, so it looks safe — our inference, not a vendor statement

Affected range stops below iOS 12.1.3, so it looks safe — our inference, not a vendor statement

macOS · Apple

95%

v < 10.14.3v < macOS Mojave 10.14.3

Affected range stops below 10.14.3, so it looks safe — our inference, not a vendor statement

Affected range stops below macOS Mojave 10.14.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

x_refsource_CONFIRMRelease NotesVendor Advisory

Source: [email protected]

https://support.apple.com/HT209520

x_refsource_CONFIRMRelease NotesVendor Advisory

Source: [email protected]

https://support.apple.com/HT209521

US Government Resource

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-6223

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusANALYZED

CWE

NVD-CWE-noinfo

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