CVE-2020-3846

HIGH

iCloud < 7.17 - Buffer Overflow via Malicious XML Processing

Title source: llm

Description

A buffer overflow was addressed with improved size validation. 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, iTunes for Windows 12.10.4, iCloud for Windows 11.0, iCloud for Windows 7.17. Processing maliciously crafted XML may lead to an unexpected application termination or arbitrary code execution.

References (2)

Core 2

Core References

Release Notes, Vendor Advisory x_refsource_misc

https://support.apple.com/HT210947

Release Notes, Vendor Advisory x_refsource_misc

https://support.apple.com/HT210948

Scores

CVSS v3 8.8

EPSS 0.0178

EPSS Percentile 75.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE

CWE-119 CWE-20

Status published

Products (7)

apple/icloud < 7.17

apple/ipados < 13.3.1

apple/iphone_os < 13.3.1

apple/itunes < 12.10.4

apple/mac_os_x < 10.15.3

apple/tvos < 13.3.1

apple/watchos < 6.1.2

Published Feb 27, 2020

Tracked Since Feb 18, 2026