CVE-2019-8637

HIGH
7.8
CVSS Score
Published: December 18, 2019 at 05:33 PM UTC
Updated: June 17, 2026 at 02:42 AM UTC
3 products affected across 1 vendoriPhone OStvOSwatchOS

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Severity
HIGH7.8
Exploit prediction
EPSS 1%

Description

An input validation issue was addressed with improved input validation. This issue is fixed in iOS 12.3, tvOS 12.3, watchOS 5.2.1. A malicious application may be able to gain root privileges.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 12.3v < iOS 12.3
Affected range stops below 12.3, so it looks safe — our inference, not a vendor statement
Affected range stops below iOS 12.3, so it looks safe — our inference, not a vendor statement
v < 12.3v < tvOS 12.3
Affected range stops below 12.3, so it looks safe — our inference, not a vendor statement
Affected range stops below tvOS 12.3, so it looks safe — our inference, not a vendor statement
v < 5.2.1v < watchOS 5.2.1
Affected range stops below 5.2.1, so it looks safe — our inference, not a vendor statement
Affected range stops below watchOS 5.2.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

x_refsource_MISCVendor Advisory
https://support.apple.com/HT210118
x_refsource_MISCVendor Advisory
https://support.apple.com/HT210120
x_refsource_MISCVendor Advisory
https://support.apple.com/HT210122

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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