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Vulnerability record · CVE-2019-8856 · published 27 October 2020

CVE-2019-8856: Apple ipados vulnerability

Apple · Ipados

An API issue existed in the handling of outgoing phone calls initiated with Siri. This issue was addressed with improved state handling. This issue is fixed in iOS 13.3 and iPadOS 13.3, watchOS 6.1.1, macOS Catalina 10.15.2, Security Update 2019-002 Mojave, and Security Update 2019-007 High Sierra. Calls made using Siri may be initiated using the wrong cellular plan on devices with two active plans.

3.3 CVSS 3.1 Low EPSS 0.68% · top 48.9%
3.3CVSS 3.1 base score, v2 4.3
0.68%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

An API issue existed in the handling of outgoing phone calls initiated with Siri. This issue was addressed with improved state handling. This issue is fixed in iOS 13.3 and iPadOS 13.3, watchOS 6.1.1, macOS Catalina 10.15.2, Security Update 2019-002 Mojave, and Security Update 2019-007 High Sierra. Calls made using Siri may be initiated using the wrong cellular plan on devices with two active plans.

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

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.apple.com/en-us/HT210785 Release NotesVendor Advisory
https://support.apple.com/en-us/HT210788 Release NotesVendor Advisory
https://support.apple.com/en-us/HT210789 Release NotesVendor Advisory
https://support.apple.com/en-us/HT210785 Release NotesVendor Advisory
https://support.apple.com/en-us/HT210788 Release NotesVendor Advisory
https://support.apple.com/en-us/HT210789 Release NotesVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-8856), CISA KEV, FIRST EPSS (scores of 2026-10-09). This page is refreshed as NVD updates the record.