High severity · published Oct 27, 2020
CVE-2020-3864
A logic issue was addressed with improved validation
7.8
CVSS
0.4%
EPSS
No
On KEV
Description
A logic issue was addressed with improved validation. This issue is fixed in iCloud for Windows 7.17, iTunes 12.10.4 for Windows, iCloud for Windows 10.9.2, tvOS 13.3.1, Safari 13.0.5, iOS 13.3.1 and iPadOS 13.3.1. A DOM object context may not have had a unique security origin.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 13.3.1 · source: NVD
EL
Enterprise Linux Desktop · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
7.0 · source: NVD
EL
Enterprise Linux Workstation · Redhat
7.0 · source: NVD
IC
Icloud · Apple
before 7.17; 10.0 before 10.9.2 · source: NVD
IT
Itunes · Apple
before 12.10.4 · source: NVD
SA
Safari · Apple
before 13.0.5 · source: NVD
TV
Tvos · Apple
before 13.3.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-3864
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-3864
Release Notes
https://support.apple.com/en-us/HT210918
Release Notes
https://support.apple.com/en-us/HT210920
Release Notes
https://support.apple.com/en-us/HT210922
Release Notes
https://support.apple.com/en-us/HT210923
Release Notes
https://support.apple.com/en-us/HT210947
Release Notes
https://support.apple.com/en-us/HT210948
More from iOS
10.0
CVE-2025-43300
Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability
10.0
CVE-2025-24201
Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability
10.0
CVE-2025-24085
Apple Multiple Products Use-After-Free Vulnerability
9.8
CVE-2025-31200
Apple Multiple Products Memory Corruption Vulnerability
9.8
CVE-2025-31201
Apple Multiple Products Arbitrary Read and Write Vulnerability
