CVE-2021-30720

CVE.org · Published

Record status: Published
Identifier year (not publication year): 2021
Source publication: Sep 8, 2021
Source updated: Aug 3, 2024
Imported by cveboard: Oct 24, 2026
Source snapshot: cve_2026-10-24_midnight_baseline · Oct 24, 2026

CNA source text (English)

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.

Scoped product and version facts

Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.

Exploitation unknown; this catalogue does not assess exploitation.

iOS and iPadOS

Vendor: Apple
Product: iOS and iPadOS
Platforms: Unknown
Default status: Unknown

iOS and iPadOS · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
unspecified	`affected`	custom	14.6	Unavailable	None listed

macOS

Vendor: Apple
Product: macOS
Platforms: Unknown
Default status: Unknown

macOS · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
unspecified	`affected`	custom	11.4	Unavailable	None listed

macOS

Vendor: Apple
Product: macOS
Platforms: Unknown
Default status: Unknown

macOS · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
unspecified	`affected`	custom	14.6	Unavailable	None listed

macOS

Vendor: Apple
Product: macOS
Platforms: Unknown
Default status: Unknown

macOS · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
unspecified	`affected`	custom	7.5	Unavailable	None listed

macOS

Vendor: Apple
Product: macOS
Platforms: Unknown
Default status: Unknown

macOS · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
unspecified	`affected`	custom	14.1	Unavailable	None listed