VYPR
← All advisories
High severity7.0NVD Advisory· Published Aug 24, 2021· Updated Jun 17, 2026

CVE-2021-30857

CVE-2021-30857

Description

A race condition was addressed with improved locking. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, watchOS 8, macOS Big Sur 11.6. A malicious application may be able to execute arbitrary code with kernel privileges.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

20
  • Apple Inc./macOSv53 versions
    unspecified+ 2 more
    • (no CPE)range: unspecified
    • (no CPE)range: Big Sur 11.6
    • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: >=11.0,<11.6
  • Apple Inc./iOSllm-fuzzy
    Range: 14.8, 15
  • Apple Inc./Ipadosllm-fuzzy2 versions
    14.8, 15+ 1 more
    • (no CPE)range: 14.8, 15
    • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <15.0
  • Apple Inc./watchOSllm-fuzzy2 versions
    8+ 1 more
    • (no CPE)range: 8
    • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*range: <8.0
  • Apple Inc./tvOSllm-fuzzy2 versions
    15+ 1 more
    • (no CPE)range: 15
    • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*range: <15.0
  • Apple Inc./Security Update 2021-008 Catalinallm-fuzzy
    Range: 2021-005
  • Apple Inc./Iphone OS
    cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
    Range: <15.0
  • Apple Inc./Mac OS X8 versions
    cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*+ 7 more
    • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*range: <10.15.7
    • cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

6

News mentions

0

No linked articles in our index yet.