CVE-2021-1748

HIGH
8.8
CVSS Score
Published: April 2, 2021 at 05:49 PM UTC
Updated: June 17, 2026 at 03:32 AM UTC
4 products affected across 1 vendoriPhone OSiPadOStvOS

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Severity
HIGH8.8
Exploit prediction
EPSS 3%

Description

A validation issue was addressed with improved input sanitization. This issue is fixed in tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted URL may lead to arbitrary javascript code execution.

Affected

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

v < 14.4
Affected range stops below 14.4, so it looks safe — our inference, not a vendor statement
v < 14.4
Affected range stops below 14.4, so it looks safe — our inference, not a vendor statement
v < 14.4
Affected range stops below 14.4, so it looks safe — our inference, not a vendor statement
v < 7.3
Affected range stops below 7.3, 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_MISCRelease NotesVendor Advisory
https://support.apple.com/en-us/HT212146
x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/en-us/HT212148
x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/en-us/HT212149

CVSS

Attack Vector
NETWORK
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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