Home/CVE/A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Secur
CVE

CVE-2021-30672

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Secur

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. A malicious application may be able to gain root privileges.

HIGH · CVSS 7.8 EPSS 0.00352
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

4
apple mac os x>= 10.14 and <= 10.14.5
apple mac os x>= 10.15 and <= 10.15.6
apple mac os xall versions
apple macos>= 11.0 and < 11.4
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · product-security@apple.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Sep 2021 · 03:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.apple.com/en-us/HT212529Release NotesVendor Advisory
https://support.apple.com/en-us/HT212600Release NotesVendor Advisory
https://support.apple.com/en-us/HT212603Release NotesVendor Advisory
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