Home/CVE/This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catal
CVE

CVE-2021-30787

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catal

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. An application may be able to cause unexpected system termination or write kernel memory.

HIGH · CVSS 7.8 EPSS 0.00334
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

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 < 11.5
▣

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 · 02:15 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/HT212600Release NotesVendor Advisory
https://support.apple.com/en-us/HT212602Release NotesVendor Advisory
https://support.apple.com/en-us/HT212603Release NotesVendor Advisory
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