VULNERABILITY INTELLIGENCE

CVE-2021-1815

CVSS score5.5 MEDIUM
EPSS probability0.40%
CISA KEVNot currently listed
Published2021-09-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Description

A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A local user may be able to modify protected parts of the file system.

Weakness classification

  • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Primary references