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PatchSiren cyber security CVE debrief

CVE-2019-6223 Apple CVE debrief

CVE-2019-6223 is an Apple iOS and macOS Group FaceTime vulnerability that CISA listed in its Known Exploited Vulnerabilities catalog. Because it is in KEV, defenders should treat it as a real-world risk and prioritize vendor-recommended patching or mitigation on affected Apple devices.

Vendor
Apple
Product
iOS and macOS
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2021-11-03
Original CVE updated
2021-11-03
Advisory published
2021-11-03
Advisory updated
2021-11-03

Who should care

Organizations that manage Apple iOS and macOS endpoints, especially fleets with FaceTime enabled or exposed on user devices. Security and endpoint management teams should prioritize it because CISA has identified it as known exploited.

Technical summary

The supplied source corpus identifies this issue only as an Apple iOS and macOS Group FaceTime vulnerability. The corpus does not include additional technical details such as affected versions, root cause, or exploitation mechanics. The key defensive fact is that CISA added CVE-2019-6223 to the Known Exploited Vulnerabilities catalog on 2021-11-03.

Defensive priority

High. CISA KEV inclusion indicates known exploitation and makes this a patch-priority item for affected Apple devices.

Recommended defensive actions

  • Apply Apple updates per vendor instructions on all affected iOS and macOS devices.
  • Use asset inventory to identify Apple devices that may still be running vulnerable software.
  • Prioritize remediation in managed fleets and verify patch deployment rather than relying on user action.
  • Track remediation against the CISA KEV due date context and confirm closure in vulnerability management records.
  • Review Apple security guidance and the official CVE/NVD entries for any version-specific remediation details.

Evidence notes

Evidence is limited to the supplied official and authoritative sources: the CISA KEV catalog entry, the CVE record, and the NVD detail page. The source corpus confirms the vulnerability name, vendor/product, and that CISA marked it as known exploited on 2021-11-03 with a due date of 2022-05-03. No further technical specifics were provided in the corpus, so this debrief avoids unsupported details.

Sources and references

Verified primary and authoritative sources

  • CVE-2019-6223 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2019-6223

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2019-6223 NVD vulnerability detail

    Publisher, destination, and source semantics verified

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

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.