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CVE-2019-6223

Apple iOS and macOS Group Facetime

7.5 HIGHActively exploited (CISA KEV)EPSS 2.63%
  1. Published5 Mar 2019
  2. Added to CISA KEV3 Nov 2021
  3. Remediation due3 May 2022
Actively exploited (CISA KEV)

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.

Added to KEV: 3 Nov 2021Federal remediation due: 3 May 2022

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

Apple iPhone OS< 12.1.4
Apple Mac OS X< 10.14.3

Remediation

Fixed in
Apple iPhone OS≥ 12.1.4
Apple Mac OS X≥ 10.14.3

References

Frequently asked

Is CVE-2019-6223 being actively exploited?

Yes. CVE-2019-6223 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 3 Nov 2021.

How severe is CVE-2019-6223?

CVE-2019-6223 has a CVSS 3.1 base score of 7.5, rated high. EPSS estimates a 2.63% probability of exploitation.

Which products are affected by CVE-2019-6223?

Affected products include Apple iPhone OS, Apple Mac OS X.

How do I fix CVE-2019-6223?

Upgrade affected software to a fixed version, for example Apple iPhone OS 12.1.4, Apple Mac OS X 10.14.3 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2019-6223 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.