High severity · published Dec 8, 2020
CVE-2020-9950
A use after free issue was addressed with improved memory management
8.8
CVSS
1.5%
EPSS
No
On KEV
Description
A use after free issue was addressed with improved memory management. This issue is fixed in watchOS 7.0, tvOS 14.0, Safari 14.0, iOS 14.0 and iPadOS 14.0. Processing maliciously crafted web content may lead to arbitrary code execution.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 14.0 · source: NVD
SA
Safari · Apple
before 14.0 · source: NVD
TV
Tvos · Apple
before 14.0 · source: NVD
WA
Watchos · Apple
before 7.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-9950
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-9950
Release Notes
https://support.apple.com/en-us/HT211843
Release Notes
https://support.apple.com/en-us/HT211844
Release Notes
https://support.apple.com/en-us/HT211845
Release Notes
https://support.apple.com/en-us/HT211850
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
