CVE-2020-9843 : An input validation issue was addressed with improved input validation. This iss

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.

Published 2020-06-09 17:15:15

Updated 2023-01-09 16:41:59

Source Apple Inc.

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2020-9843

Apple » Safari
Versions before (<) 13.1.1
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
Matching versions
Apple » Itunes » For Windows
Versions before (<) 12.10.7
cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*
Matching versions
Apple » Iphone Os
Versions before (<) 13.5
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Matching versions
Apple » Watchos
Versions before (<) 6.2.5
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
Matching versions
Apple » Icloud » For Windows
Versions from including (>=) 11.0 and before (<) 11.2
cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*
Matching versions
Apple » Icloud » For Windows
Versions before (<) 7.19
cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*
Matching versions
Apple » Tvos
Versions before (<) 13.4.5
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
Matching versions
Apple » Ipados
Versions before (<) 13.5
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2020-9843

EPSS FAQ

0.20%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 39 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-9843

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.8	MEDIUM	AV:N/AC:M/Au:N/C:N/I:P/A:P	8.6	4.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: Partial
7.1	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L	2.8	3.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: Low

CWE ids for CVE-2020-9843

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-9843

https://support.apple.com/HT211171

About the security content of tvOS 13.4.5 - Apple Support
Vendor Advisory

CVEs referencing this url
https://support.apple.com/HT211181

About the security content of iCloud for Windows 7.19 - Apple Support
Vendor Advisory

CVEs referencing this url
https://support.apple.com/HT211179

About the security content of iCloud for Windows 11.2 - Apple Support
Vendor Advisory

CVEs referencing this url
https://support.apple.com/HT211168

About the security content of iOS 13.5 and iPadOS 13.5 - Apple Support
Vendor Advisory

CVEs referencing this url
https://support.apple.com/HT211177

About the security content of Safari 13.1.1 - Apple Support
Broken Link;Vendor Advisory

CVEs referencing this url
https://support.apple.com/HT211178

About the security content of iTunes 12.10.7 for Windows - Apple Support
Vendor Advisory

CVEs referencing this url
https://support.apple.com/HT211175

About the security content of watchOS 6.2.5 - Apple Support
Vendor Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2020-9843

Products affected by CVE-2020-9843

Exploit prediction scoring system (EPSS) score for CVE-2020-9843

CVSS scores for CVE-2020-9843

CWE ids for CVE-2020-9843

References for CVE-2020-9843