CVE-2021-30874

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-08-24 · updated 2026-06-17
Weakness: CWE-862

Description

An authorization issue was addressed with improved state management. This issue is fixed in iOS 15 and iPadOS 15. A VPN configuration may be installed by an app without user permission.

Affected products

Apple iPadOS: before 15.0 — fixed in 15.0
Apple Iphone Os: before 15.0 — fixed in 15.0
Apple macOS: before 12.0.1 — fixed in 12.0.1

How to fix

Upgrade to a fixed version: Apple iPadOS 15.0; Apple Iphone Os 15.0; Apple macOS 12.0.1. Check the vendor advisory for mitigations.

References

https://support.apple.com/en-us/HT212814
https://support.apple.com/kb/HT212869
https://support.apple.com/en-us/HT212814
https://support.apple.com/kb/HT212869

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