CVE-2021-1748

Description

A validation issue was addressed with improved input sanitization. This issue is fixed in tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted URL may lead to arbitrary javascript code execution.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.58% Top 20%
Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com
Affected: Apple iOS and iPadOS
Affected: Apple watchOS
Affected: Apple tvOS
Published at:
Updated at:

References

Link Tags
https://support.apple.com/en-us/HT212146 release notes vendor advisory
https://support.apple.com/en-us/HT212148 release notes vendor advisory
https://support.apple.com/en-us/HT212149 release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-1748?
CVE-2021-1748 has been scored as a high severity vulnerability.
How to fix CVE-2021-1748?
To fix CVE-2021-1748, 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-2021-1748 being actively exploited in the wild?
It is possible that CVE-2021-1748 is being exploited or will be exploited in a near future based on public information. 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-2021-1748?
CVE-2021-1748 affects Apple iOS and iPadOS, Apple watchOS, Apple tvOS.
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