CVE-2020-9920

CRITICAL

iPadOS < 13.6 - Path Traversal via Malicious Mail Server

Title source: llm

Description

A path handling issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, watchOS 6.2.8. A malicious mail server may overwrite arbitrary mail files.

References (3)

Core 3

Core References

Vendor Advisory x_refsource_misc

https://support.apple.com/kb/HT211289

Vendor Advisory x_refsource_misc

https://support.apple.com/kb/HT211288

Vendor Advisory x_refsource_misc

https://support.apple.com/kb/HT211291

Scores

CVSS v3 9.1

EPSS 0.0184

EPSS Percentile 76.3%

Attack Vector NETWORK

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

Details

CWE

CWE-22

Status published

Products (4)

apple/ipados < 13.6

apple/iphone_os < 13.6

apple/mac_os_x < 10.15.6

apple/watchos < 6.2.8

Published Oct 22, 2020

Tracked Since Feb 18, 2026