CVE-2021-30969

HIGH

macOS 10.15-10.15.6 and 11.0-11.6.1 - Unprotected User Data Exposure via Path Handling Issue

Title source: llm
STIX 2.1

Description

A path handling issue was addressed with improved validation. This issue is fixed in Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. Processing a maliciously crafted URL may cause unexpected JavaScript execution from a file on disk.

References (2)

Core 2
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212979
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212981

Scores

CVSS v3 7.8
EPSS 0.0110
EPSS Percentile 62.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

Status published
Products (3)
apple/mac_os_x 10.15.7 security_update_2020-001 (8 CPE variants)
apple/mac_os_x 10.15 - 10.15.7
apple/macos 11.0 - 11.6.2
Published Aug 24, 2021
Tracked Since Feb 18, 2026