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Known exploited vulnerability

CVE-2019-6223

highCVSS 3.1 7.5In CISA KEVEPSS 2.6%Published · Apple

The short answer

CVE-2019-6223 affects Apple iOS and is rated high (CVSS 7.5). CISA added it to the Known Exploited Vulnerabilities catalog on 2021-11-03: attackers are using it, so patch it first.

What it is

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.

Severity

7.5 high

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

Exploited (CISA KEV)

Yes, since Nov 3, 2021

Federal due date May 3, 2022

EPSS, next 30 days

2.6%

Higher than 86% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
None

What CISA says to do

Apply updates per vendor instructions.

Affected products

iOS, macOS. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2019-6223 being exploited?

Yes. CISA added CVE-2019-6223 to its Known Exploited Vulnerabilities catalog on 2021-11-03, with a federal remediation due date of 2022-05-03.

How do I fix CVE-2019-6223?

CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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