High severity · published Aug 24, 2021
CVE-2021-31008
A type confusion issue was addressed with improved memory handling
8.8
CVSS
1.3%
EPSS
No
On KEV
Description
A type confusion issue was addressed with improved memory handling. This issue is fixed in Safari 15.1, tvOS 15.1, iOS 15 and iPadOS 15, macOS Monterey 12.0.1, watchOS 8.1. Processing maliciously crafted web content may lead to 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)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 15.0 · source: NVD
MA
macOS · Apple
12.0.0 · source: NVD
SA
Safari · Apple
before 15.1 · source: NVD
TV
Tvos · Apple
before 15.1 · source: NVD
WA
Watchos · Apple
before 8.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-31008
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-31008
support.apple.com
https://support.apple.com/en-us/HT212814
support.apple.com
https://support.apple.com/en-us/HT212869
support.apple.com
https://support.apple.com/en-us/HT212874
support.apple.com
https://support.apple.com/en-us/HT212875
support.apple.com
https://support.apple.com/en-us/HT212876
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