CVE-2021-30713
HighExploitedPublic exploitA permissions issue was addressed with improved validation.
Published Oct 13, 2021 · Updated Oct 21, 2025 · Also known as TR-21-0415
Key Facts
Patch immediately- CVE-2021-30713 is a high-severity vulnerability (CVSS 7.8 v3.1) affecting macOS (Apple), Mac OS X (Apple).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 24, 2021. Public exploit code is available.
- EPSS estimates a 7.0% probability of exploitation in the next 30 days.
- Fixed versions are available, including Mac OS X <=10.15.7, macOS 11.4, Mac OS X 10.15.7.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
7.0%
Higher than 94.1% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2021-30713 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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..
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Nov 3, 2021 | Nov 17, 2021 | Not reported |
| Industry KEV feed | May 24, 2021 | Nov 17, 2021 | Not reported |
| CIRCL KEV | Nov 3, 2021 | Nov 17, 2021 | Not reported |
| ENISA EUVD | Nov 3, 2021 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
12 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| macOSApple | >= unspecified | 11.4 |
| Mac OS XApple | 10.15.7, 10.15.7-security_update_2020, 10.15.7-security_update_2020-001, 10.15.7-security_update_2020-005, 10.15.7-security_update_2020-007, 10.15.7-security_update_2021-001, 10.15.7-security_update_2021-002, 10.15.7-security_update_2021-003 | 10.15.7 |
Patched Releases
Mac OS X
<=10.15.7
macOS
11.4
Timeline
Added to Industry KEV feed
May 24, 2021
Publicly disclosed
Oct 13, 2021
Added to CISA KEV
Nov 3, 2021
Added to CIRCL KEV
Nov 3, 2021
Added to ENISA EUVD
Nov 3, 2021
Last updated
Oct 21, 2025
Weakness Type
- CWE-862 Missing Authorization
References
- advisoryhttp://feedproxy.google.com/~r/TheHackersNews/~3/5Bw5yldoufM/critical-rce-vulnerability-found-in.html
- advisoryhttp://feedproxy.google.com/~r/TheHackersNews/~3/elwYiDkfEBM/apple-releases-urgent-iphone-and-ipad.html
- advisory20210921 APPLE-SA-2021-09-20-8 Additional information for APPLE-SA-2021-09-13-4 Security Update 2021-005 Catalina
- advisoryhttps://gbhackers.com/13-vulnerabilities-in-nagios-server/
- advisoryhttps://saaramar.github.io/IOMFB_integer_overflow_poc/
FAQ
Common Questions.
A permissions issue was addressed with improved validation.
Affected: macOS (Apple) versions >= unspecified; Mac OS X (Apple) versions 10.15.7, 10.15.7-security_update_2020, 10.15.7-security_update_2020-001, 10.15.7-security_update_2020-005, 10.15.7-security_update_2020-007, 10.15.7-security_update_2021-001, 10.15.7-security_update_2021-002, 10.15.7-security_update_2021-003. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 24, 2021.
Yes. It was added on Nov 3, 2021 with a federal remediation due date of Nov 17, 2021.
Public exploit code is available.
Fixed versions are available, including Mac OS X <=10.15.7, macOS 11.4, Mac OS X 10.15.7.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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