CVE-2020-9934

Known Exploited

Description

An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6. A local user may be able to view sensitive user information.

5.5

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 1.97% Top 20%

KEV Since

Vendor Advisory apple.com Vendor Advisory apple.com

Affected: Apple iOS

Affected: Apple macOS

References

Link	Tags
https://support.apple.com/HT211289	release notes vendor advisory
https://support.apple.com/HT211288	release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-9934?: CVE-2020-9934 has been scored as a medium severity vulnerability.
How to fix CVE-2020-9934?: To fix CVE-2020-9934, 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-2020-9934 being actively exploited in the wild?: It is confirmed that CVE-2020-9934 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-9934?: CVE-2020-9934 affects Apple iOS, Apple macOS.

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