CVE-2020-9843

Description

An input validation issue was addressed with improved input validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, tvOS 13.4.5, watchOS 6.2.5, Safari 13.1.1, iTunes 12.10.7 for Windows, iCloud for Windows 11.2, iCloud for Windows 7.19. Processing maliciously crafted web content may lead to a cross site scripting attack.

Category

7.1
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.20%
Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com
Affected: Apple iOS
Affected: Apple tvOS
Affected: Apple watchOS
Affected: Apple Safari
Affected: Apple iTunes for Windows
Affected: Apple iCloud for Windows
Affected: Apple iCloud for Windows (Legacy)
Published at:
Updated at:

References

Link Tags
https://support.apple.com/HT211168 vendor advisory
https://support.apple.com/HT211171 vendor advisory
https://support.apple.com/HT211175 vendor advisory
https://support.apple.com/HT211178 vendor advisory
https://support.apple.com/HT211179 vendor advisory
https://support.apple.com/HT211181 vendor advisory
https://support.apple.com/HT211177 broken link vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-9843?
CVE-2020-9843 has been scored as a high severity vulnerability.
How to fix CVE-2020-9843?
To fix CVE-2020-9843, 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-2020-9843 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-9843 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-2020-9843?
CVE-2020-9843 affects Apple iOS, Apple tvOS, Apple watchOS, Apple Safari, Apple iTunes for Windows, Apple iCloud for Windows, Apple iCloud for Windows (Legacy).
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.