CVE-2020-9952

HIGH
7.1
CVSS Score
Published: October 16, 2020 at 04:53 PM UTC
Updated: June 17, 2026 at 03:28 AM UTC
7 products affected across 2 vendorsiPhone OSiPadOStvOS

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Severity
HIGH7.1
Exploit prediction
EPSS 1%

Description

An input validation issue was addressed with improved input validation. This issue is fixed in iOS 14.0 and iPadOS 14.0, tvOS 14.0, watchOS 7.0, Safari 14.0, iCloud for Windows 11.4, iCloud for Windows 7.21. Processing maliciously crafted web content may lead to a cross site scripting attack.

Affected

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

v < 7.21v < iCloud for Windows 11.4v < iCloud for Windows 7.2111.0 ≤ v < 11.4
Affected range stops below 11.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.21, so it looks safe — our inference, not a vendor statement
Affected range stops below iCloud for Windows 11.4, so it looks safe — our inference, not a vendor statement
Affected range stops below iCloud for Windows 7.21, so it looks safe — our inference, not a vendor statement
v < 14.0
Affected range stops below 14.0, so it looks safe — our inference, not a vendor statement
v < 14.0v < iOS 14.0 and iPadOS 14.0
Affected range stops below 14.0, so it looks safe — our inference, not a vendor statement
Affected range stops below iOS 14.0 and iPadOS 14.0, so it looks safe — our inference, not a vendor statement
v < 14.0v < Safari 14.0
Affected range stops below 14.0, so it looks safe — our inference, not a vendor statement
Affected range stops below Safari 14.0, so it looks safe — our inference, not a vendor statement
v < 14.0v < tvOS 14.0
Affected range stops below 14.0, so it looks safe — our inference, not a vendor statement
Affected range stops below tvOS 14.0, so it looks safe — our inference, not a vendor statement
v < 7.0v < watchOS 7.0
Affected range stops below 7.0, so it looks safe — our inference, not a vendor statement
Affected range stops below watchOS 7.0, so it looks safe — our inference, not a vendor statement
v ≤ 2.30.3

Remediation

No guide yet

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

References (12)

Mailing Listx_refsource_FULLDISCThird Party Advisory
http://seclists.org/fulldisclosure/2020/Nov/18
Mailing Listx_refsource_FULLDISCThird Party Advisory
http://seclists.org/fulldisclosure/2020/Nov/19
Mailing Listx_refsource_FULLDISCThird Party Advisory
http://seclists.org/fulldisclosure/2020/Nov/20
Mailing Listx_refsource_FULLDISCThird Party Advisory
http://seclists.org/fulldisclosure/2020/Nov/22
Vendor Advisoryx_refsource_GENTOOThird Party Advisory
https://security.gentoo.org/glsa/202012-10
x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/HT211843
x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/HT211844

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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