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TI-2021-11290 Aliases CVE-2021-30923

Race condition in Apple macOS

Priority LOW 32CWE-362Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A race condition was addressed with improved locking. This issue is fixed in macOS Monterey 12.0.1. A malicious application may be able to execute arbitrary code with kernel privileges.

Why it matters now

EPSS 0.00703 53rd percentileScored 2026-11-07
Fix Fixed macOS (Apple): 12.0

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApplemacOSbefore 12.012.0Patch availableCNA
  • macOS VendorApple Affected before 12.0 Fixed in 12.0 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 15.1VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 15.1VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*before 12.0.1VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 15.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 15.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 12.0.1 Vulnerable ·Apple

Remediation

  • Fix · CNA macOS (Apple) Fixed in 12.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Apple macOS 12.0

    45 records Highest priority Priority CRITICAL 1 CRITICAL, 3 MEDIUM, 41 LOW

    Other records, highest priority first

    • TI-2021-11253 Out-of-bounds write in Apple iOS and iPadOSPriority CRITICAL 93
    • TI-2021-11258 Buffer overflow in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2021-11371 Type confusion in Apple iOS and iPadOSPriority MEDIUM 41
    Show all 45 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-30923

References

Other 2

  • TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
See all 2382 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences