CVE-2021-30715

HIGH

7.5

CVSS Score

Published: September 8, 2021 at 02:28 PM UTC

Updated: June 17, 2026 at 03:50 AM UTC

5 products affected across 1 vendormacOSiPhone OSiPadOS

Using iOS and iPadOS by Apple?

Get instant alerts when new vulnerabilities affect iOS and iPadOS - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

HIGH7.5

Exploit prediction

EPSS 2%

Description

A logic issue was addressed with improved state management. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. Processing a maliciously crafted message may lead to a denial of service.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

iPadOS · Apple

95%

v < 14.6

Affected range stops below 14.6, so it looks safe — our inference, not a vendor statement

iPhone OS · Apple

95%

v < 14.6

Affected range stops below 14.6, so it looks safe — our inference, not a vendor statement

macOS · Apple

95%

v < 11.4v < 14.6v < 2021v < 7.510.15 ≤ v ≤ 10.15.611.0 ≤ v < 11.410.15.7 10.15.7 security_update_2020 10.15.7 security_update_2020-1 10.15.7 security_update_2020-5 10.15.7 security_update_2020-7 10.15.7 security_update_2021-1 10.15.7 security_update_2021-2 10.15.7 supplemental_update

Affected range stops below 11.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 2021, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.5, so it looks safe — our inference, not a vendor statement

tvOS · Apple

95%

v < 14.6

Affected range stops below 14.6, so it looks safe — our inference, not a vendor statement

watchOS · Apple

95%

v < 7.5

Affected range stops below 7.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references