CVE-2020-3880

HIGH

7.8

CVSS Score

Published: October 27, 2020 at 08:42 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

An out-of-bounds read was addressed with improved input validation. This issue is fixed in watchOS 6.1.2, iOS 13.3.1 and iPadOS 13.3.1, tvOS 13.3.1, macOS Catalina 10.15.3, Security Update 2020-001 Mojave, Security Update 2020-001 High Sierra. Processing a maliciously crafted image may lead to arbitrary code execution.

Affected

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

iPadOS · Apple

95%

v < 13.3v < 13.3.1

Affected range stops below 13.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.3.1, so it looks safe — our inference, not a vendor statement

iPhone OS · Apple

95%

v < 13.3.1

Affected range stops below 13.3.1, so it looks safe — our inference, not a vendor statement

macOS · Apple

95%

v < 10.15v < 10.15.3v < 13.3v < 6.1

Affected range stops below 10.15, so it looks safe — our inference, not a vendor statement

Affected range stops below 10.15.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 6.1, so it looks safe — our inference, not a vendor statement

tvOS · Apple

95%

v < 13.3.1

Affected range stops below 13.3.1, so it looks safe — our inference, not a vendor statement

watchOS · Apple

95%

v < 6.1.2

Affected range stops below 6.1.2, 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:

Patch and advisory references

References (4)

x_refsource_MISCRelease NotesVendor Advisory

Source: [email protected]

https://support.apple.com/en-us/HT210918

x_refsource_MISCRelease NotesVendor Advisory

Source: [email protected]

https://support.apple.com/en-us/HT210919

x_refsource_MISCRelease NotesVendor Advisory

Source: [email protected]

https://support.apple.com/en-us/HT210920

x_refsource_MISCRelease NotesVendor Advisory

Source: [email protected]

https://support.apple.com/en-us/HT210921

CVSS

7.8HIGH[email protected]

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

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-125

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