CVE-2020-9942

Description

An inconsistent user interface issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1, Safari 13.1.2. Visiting a malicious website may lead to address bar spoofing.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.34%
Vendor Advisory apple.com Vendor Advisory apple.com
Affected: Apple Safari
Affected: Apple macOS
Published at:
Updated at:

References

Link Tags
https://support.apple.com/en-us/HT211292 release notes vendor advisory
https://support.apple.com/en-us/HT211931 release notes vendor advisory
http://seclists.org/fulldisclosure/2020/Dec/32 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2020-9942?
CVE-2020-9942 has been scored as a medium severity vulnerability.
How to fix CVE-2020-9942?
To fix CVE-2020-9942, 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-2020-9942 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-9942 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-2020-9942?
CVE-2020-9942 affects Apple Safari, Apple macOS.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.