CVE-2020-9900

HIGH

iPadOS < 13.6 - Privilege Escalation via Symlink Path Validation Flaw

Title source: llm

Description

An issue existed within the path validation logic for symlinks. This issue was addressed with improved path sanitization. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. A local attacker may be able to elevate their privileges.

References (4)

Core 4

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/HT211290

Vendor Advisory x_refsource_misc

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

Scores

CVSS v3 7.8

EPSS 0.0038

EPSS Percentile 30.0%

Attack Vector LOCAL

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

Details

CWE

CWE-59

Status published

Products (5)

apple/ipados < 13.6

apple/iphone_os < 13.6

apple/mac_os_x < 10.15.6

apple/tvos < 13.4.8

apple/watchos < 6.2.8

Published Oct 22, 2020

Tracked Since Feb 18, 2026