Vulnerability CVE-2021-30720
Published: 2021-09-08

Description:
A logic issue was addressed with improved restrictions. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. A malicious website may be able to access restricted ports on arbitrary servers.

Type:

CWE-287

 (Improper Authentication)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.8/10
4.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Apple -> Safari 
Apple -> Ipad os 
Apple -> Iphone os 
Apple -> Mac os 
Apple -> TVOS 
Apple -> Watchos 

 References:
https://support.apple.com/en-us/HT212529
https://support.apple.com/en-us/HT212528
https://support.apple.com/en-us/HT212534
https://support.apple.com/en-us/HT212532
https://support.apple.com/en-us/HT212533
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