Vulnerability CVE-2021-30665
Published: 2021-09-08

Description:
A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 7.4.1, iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, macOS Big Sur 11.3.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Apple -> Ipados 
Apple -> Iphone os 
Apple -> Macos 
Apple -> TVOS 
Apple -> Watchos 

 References:
https://support.apple.com/en-us/HT212341
https://support.apple.com/en-us/HT212339
https://support.apple.com/en-us/HT212336
https://support.apple.com/en-us/HT212532
https://support.apple.com/en-us/HT212335
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