CVE-2021-30855

medium

Description

A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, iOS 15 and iPadOS 15, watchOS 8, macOS Big Sur 11.6. An application may be able to access restricted files.

References

https://support.apple.com/kb/HT212815

https://support.apple.com/en-us/HT212819

https://support.apple.com/en-us/HT212814

https://support.apple.com/en-us/HT212807

https://support.apple.com/en-us/HT212805

https://support.apple.com/en-us/HT212804

Details

Source: Mitre, NVD

Published: 2021-08-24

Updated: 2023-11-07

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Severity: Medium