VULNERABILITY INTELLIGENCE

CVE-2020-9900

CVSS score7.8 HIGH
EPSS probability0.39%
CISA KEVNot currently listed
Published2020-10-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • CWE-59: Improper Link Resolution Before File Access ('Link Following')

Primary references