CVE-2020-3853
HIGH
7.8
CVSS Score
Published: February 27, 2020 at 08:45 PM UTC
Updated: June 17, 2026 at 03:19 AM UTC
5 products affected across 1 vendormacOSiPhone OSiPadOS
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Severity
HIGH7.8
Exploit prediction
EPSS 1%
Description
A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2. A malicious application may be able to execute arbitrary code with system privileges.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 13.3.1
Affected range stops below 13.3.1, so it looks safe — our inference, not a vendor statement
v < 13.3.1v < iOS 13.3.1 and iPadOS 13.3.1
Affected range stops below 13.3.1, so it looks safe — our inference, not a vendor statement
Affected range stops below iOS 13.3.1 and iPadOS 13.3.1, so it looks safe — our inference, not a vendor statement
v < 10.15.3v < macOS Catalina 10.15.3
Affected range stops below 10.15.3, so it looks safe — our inference, not a vendor statement
Affected range stops below macOS Catalina 10.15.3, so it looks safe — our inference, not a vendor statement
v < 13.3.1v < tvOS 13.3.1
Affected range stops below 13.3.1, so it looks safe — our inference, not a vendor statement
Affected range stops below tvOS 13.3.1, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://support.apple.com/HT210918x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://support.apple.com/HT210919x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://support.apple.com/HT210920x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://support.apple.com/HT210921CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-843
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