CVE-2020-9855

Description

A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in macOS Catalina 10.15.5. A local attacker may be able to elevate their privileges.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.05%
Vendor Advisory apple.com
Affected: Apple macOS
Published at:
Updated at:

References

Link Tags
https://support.apple.com/HT211170 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-9855?
CVE-2020-9855 has been scored as a high severity vulnerability.
How to fix CVE-2020-9855?
To fix CVE-2020-9855, 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-2020-9855 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-9855 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-2020-9855?
CVE-2020-9855 affects Apple macOS.
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