Is CVE-2019-6223 actively exploited?

Yes. KEV Intelligence tracks CVE-2019-6223 as a known exploited vulnerability. Confidence is confirmed.

What exploitation activity has KEV Intelligence observed?

KEV Intelligence has not yet recorded sensor-observed exploitation attempts for CVE-2019-6223. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

CVE-2019-6223 affects Apple iOS, macOS. Reported affected versions include unspecified to < iOS 12.1.3 and unspecified to < macOS Mojave 10.14.3.

Yes. CVE-2019-6223 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2019-6223

Q: How should organizations remediate it?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Q: Is it in CISA KEV?

Yes. CVE-2019-6223 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

iOS

Apple / iOS · affected before iOS 12.1.3

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Severity: CVSS 7.5 · High
Confidence: Confirmed
Exploit status: Exploited in the wild
EPSS: 2.6%
First observed: —
Last observed: —

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2019-6223 is an unauthenticated vulnerability affecting Apple iOS, macOS. A logic issue existed in the handling of Group FaceTime calls. The issue was addressed with improved state management. This issue is fixed...

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.

Who is affected?

Apple / iOS affected before ios 12.1.3.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

A logic issue existed in the handling of Group FaceTime calls

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.

Vendor Product Affected Status

Apple iOS Before iOS 12.1.3 Affected

Apple macOS Before macOS Mojave 10.14.3 Affected

Published: 05 Mar 2019
Exploitation Reported: 03 Nov 2021
Attack vector: Remote
Complexity: Low
Privileges: None
User interaction: None

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2019-6223
support.apple.com/HT209521 support.apple.com · CVE Record https://support.apple.com/HT209521
support.apple.com/HT209520 support.apple.com · CVE Record https://support.apple.com/HT209520

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CISA

Recorded 03 Nov 2021

Independent exploitation attestation added to the KEV Intelligence record.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

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Source	Added
CISA First	2021-11-03 00:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets: 0
User-Agents: 0

Raw values available in Pro and Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

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No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

7.5 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

2.6%

All CVSS Scores

CVSS v3.1 7.5 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v2.0 5.0 Medium

AV:N/AC:L/Au:N/C:P/I:N/A:N

Timeline

From disclosure to observed exploitation

03 Nov 2021
Added to CISA KEV

Listed in the CISA Known Exploited Vulnerabilities catalog
05 Mar 2019
CVE published

Vulnerability disclosed publicly
11 Jan 2019
CVE ID reserved

Identifier reserved by the CNA

Pro API

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Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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Evidence confidence and provenance
First-party sensor telemetry
PoC and scanner references
Affected versions and enrichment
Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2019-6223

Free JSON includes basic KEV fields

{
  "cve_id": "CVE-2019-6223",
  "confidence": "Confirmed",
  "cvss_score": 7.5,
  "cvss_estimated": false,
  "epss_score": 0.02629,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

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