CVE-2020-9900

HighCVSS 7.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-59

Affected software

No affected versions have been published.

Timeline

Published
Oct 22, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-99017.8An issue existed within the path validation logic for symlinks. This issue was addressed with improved path sanitization. This issue is fixeCVE-2020-99025.5An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, CVE-2020-99037.5A logic issue was addressed with improved restrictions. This issue is fixed in iOS 13.6 and iPadOS 13.6, Safari 13.1.2. A malicious attackerCVE-2020-99047.8A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.1CVE-2020-99057.5A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOSCVE-2020-99069.1A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.1CVE-2020-99077.8A memory corruption issue was addressed by removing the vulnerable code. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8. An apCVE-2020-99087.1An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.6. A local user may be able CVE-2020-99095.9An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watchOS 6.2CVE-2020-99108.8Multiple issues were addressed with improved logic. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watchOS 6.2.8, Safari 13.1CVE-2020-99117.5A logic issue was addressed with improved restrictions. This issue is fixed in iOS 13.6 and iPadOS 13.6, Safari 13.1.2. An issue in Safari RCVE-2020-99123.3A logic issue was addressed with improved restrictions. This issue is fixed in Safari 13.1.2. A malicious attacker may be able to change the
CVE-2020-9900: High severity, CVSS 7.8 | Vulnix