CVE-2020-9952

high
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

An input validation issue was addressed with improved input validation. This issue is fixed in iOS 14.0 and iPadOS 14.0, tvOS 14.0, watchOS 7.0, Safari 14.0, iCloud for Windows 11.4, iCloud for Windows 7.21. Processing maliciously crafted web content may lead to a cross site scripting attack.

References

http://seclists.org/fulldisclosure/2020/Nov/18

http://seclists.org/fulldisclosure/2020/Nov/19

http://seclists.org/fulldisclosure/2020/Nov/20

http://seclists.org/fulldisclosure/2020/Nov/22

http://www.openwall.com/lists/oss-security/2020/11/23/3

https://security.gentoo.org/glsa/202012-10

https://support.apple.com/HT211843

https://support.apple.com/HT211844

https://support.apple.com/HT211845

https://support.apple.com/HT211846

https://support.apple.com/HT211847

https://support.apple.com/HT211850

Details

Source: MITRE

Published: 2020-10-16

Updated: 2020-12-23

Type: CWE-79

Risk Information

CVSS v2

Base Score: 5.8

Vector: AV:N/AC:M/Au:N/C:N/I:P/A:P

Impact Score: 4.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 7.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Impact Score: 3.7

Exploitability Score: 2.8

Severity: HIGH

Tenable Plugins

View all (3 total)

IDNameProductFamilySeverity
144597GLSA-202012-10 : WebkitGTK+: Multiple vulnerabilitiesNessusGentoo Local Security Checks
high
143269Ubuntu 18.04 LTS / 20.04 LTS / 20.10 : WebKitGTK vulnerabilities (USN-4648-1)NessusUbuntu Local Security Checks
critical
140654Apple iOS < 14.0 Multiple VulnerabilitiesNessusMobile Devices
high