CVE-2019-6223
CVE-2019-6223 is a high-severity vulnerability in Apple Iphone Os with a CVSS 3.x base score of 7.5. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2021-11-03).
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 3% (84th percentile)
- Actively exploited: Yes — listed in CISA KEV (added 2021-11-03)
- EU (EUVD) id: EUVD-2019-15790
- EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2021-11-03)
- Affected product: Apple Iphone Os
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2019-6223?
- 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.
- How severe is CVE-2019-6223?
- CVE-2019-6223 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2019-6223 being actively exploited?
- Yes. CVE-2019-6223 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2021-11-03, which means active exploitation has been confirmed. It should be prioritised for remediation.
- What products are affected by CVE-2019-6223?
- CVE-2019-6223 primarily affects Apple Iphone Os. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2019-6223?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
- Does CVE-2019-6223 have an EU (EUVD) identifier?
- Yes. CVE-2019-6223 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-15790. It is also flagged as exploited in the EUVD (since 2021-11-03).
- When was CVE-2019-6223 published?
- CVE-2019-6223 was published on 2019-03-05 and last updated on 2026-06-17.
References
- https://support.apple.com/HT209520
- https://support.apple.com/HT209521
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-6223
Affected products (2)
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
More vulnerabilities in Apple Iphone Os
- CVE-2025-43300 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS…
- CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
- CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
- CVE-2022-32845 — Critical (CVSS 10.0): This issue was addressed with improved checks. This issue is fixed in watchOS 8.7, iOS 15.6 and iPadOS 15.6, macOS…
- CVE-2019-8779 — Critical (CVSS 10.0): A logic issue applied the incorrect restrictions. This issue was addressed by updating the logic to apply the correct…
- CVE-2018-4310 — Critical (CVSS 10.0): An access issue was addressed with additional sandbox restrictions. This issue affected versions prior to iOS 12, macOS…