CVE-2021-30713

Name: CVE-2021-30713
Creator: NVD / NIST
Published: 2021-09-08T15:15:15.893+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10Actively ExploitedEPSS 6.58%

Last modified Jun 17, 2026

CVE-2021-30713 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A permissions issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.4. CISA has confirmed active exploitation in the wild. EPSS estimates a 6.58% chance of exploitation in the next 30 days.

Description

A permissions issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.4. A malicious application may be able to bypass Privacy preferences. Apple is aware of a report that this issue may have been actively exploited..

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

6.58%

93.0th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Nov 17, 2021.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Apple	Mac Os X	>= 10.15, <= 10.15.7
Apple	Mac Os X	10.15.7
Apple	Macos	< 11.4

References

http://seclists.org/fulldisclosure/2021/Sep/40Mailing List, Third Party Advisory
https://support.apple.com/en-us/HT212529Release Notes, Vendor Advisory
https://support.apple.com/kb/HT212805Release Notes, Vendor Advisory
http://seclists.org/fulldisclosure/2021/Sep/40Mailing List, Third Party Advisory
https://support.apple.com/en-us/HT212529Release Notes, Vendor Advisory
https://support.apple.com/kb/HT212805Release Notes, Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30713Third Party Advisory, US Government Resource

Timeline

Published: Sep 8, 2021
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2021-30713?

How severe is CVE-2021-30713?

CVE-2021-30713 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 6.58% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2021-30713?

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-2021-30713?

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

Scan your code now

Source: NVD / NIST