CVE-2021-30855

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.21%
Affected: Apple macOS
Affected: Apple macOS
Affected: Apple macOS
Affected: Apple macOS
Affected: Apple macOS
Published at:
Updated at:

References

Link Tags
https://support.apple.com/en-us/HT212804
https://support.apple.com/en-us/HT212805
https://support.apple.com/en-us/HT212807
https://support.apple.com/kb/HT212815
https://support.apple.com/en-us/HT212814
https://support.apple.com/en-us/HT212819

Frequently Asked Questions

What is the severity of CVE-2021-30855?
CVE-2021-30855 has been scored as a medium severity vulnerability.
How to fix CVE-2021-30855?
To fix CVE-2021-30855, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-30855 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-30855 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-30855?
CVE-2021-30855 affects Apple macOS, Apple macOS, Apple macOS, Apple macOS, Apple macOS.
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