CISA KEV · Known exploitedHigh

CVE-2019-6223

Apple iOS and macOS

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
7.5
EPSS
2.63%
84.0% percentile
CISA KEV
Listed
Published
2019.03.06
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability2.63%
Technical severityCVSS 7.5

Vulnerability overview

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 product and versions

Product
Apple iOS and macOS
Affected versions
unspecified, < 12.1.4, < 10.14.3
Fixed versions
12.1.4, 10.14.3

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

Apply updates per vendor instructions.

Due date: 2022.05.03
  1. 1
    Identify

    Confirm that Apple iOS and macOS and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
Not available
KEV added
2021.11.03
Ransomware use
미확인
CVE-2019-6223 — Apple iOS and macOS | SECUFOCUS NOW