CVE-2021-30871

Name: CVE-2021-30871
Creator: NVD / NIST
Published: 2021-08-24T19:15:15.313+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2021-30871 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. This issue was addressed with a new entitlement. This issue is fixed in iOS 14.7, watchOS 7.6, macOS Big Sur 11.5. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

This issue was addressed with a new entitlement. This issue is fixed in iOS 14.7, watchOS 7.6, macOS Big Sur 11.5. A local attacker may be able to access analytics data.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.24%

15.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Apple	Iphone Os	< 14.7
Apple	Macos	< 11.5
Apple	Watchos	< 7.6

References

Timeline

Published: Aug 24, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-30871?

This issue was addressed with a new entitlement. This issue is fixed in iOS 14.7, watchOS 7.6, macOS Big Sur 11.5. A local attacker may be able to access analytics data.

How severe is CVE-2021-30871?

CVE-2021-30871 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2021-30871?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-30871?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST