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High severity7.8NVD Advisory· Published Dec 8, 2020· Updated Jun 17, 2026

CVE-2020-27911

CVE-2020-27911

Description

An integer overflow was addressed through improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, tvOS 14.2, iTunes 12.11 for Windows. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.

AI Insight

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

Affected products

18
  • Apple Inc./watchOSv53 versions
    unspecified+ 2 more
    • (no CPE)range: unspecified
    • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*range: <7.1
    • (no CPE)range: = 7.1
  • Apple Inc./tvOSv53 versions
    unspecified+ 2 more
    • (no CPE)range: unspecified
    • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*range: <14.2
    • (no CPE)range: = 14.2
  • Apple Inc./macOSv53 versions
    unspecified+ 2 more
    • (no CPE)range: unspecified
    • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: >=11.0,<11.0.1
    • (no CPE)range: = 11.0.1
  • Apple Inc./iOS and iPadOScpe-rescue
    Range: unspecified
  • Apple Inc./iCloud
    cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*
    Range: <11.5
  • Apple Inc./iTunes2 versions
    cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*+ 1 more
    • cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*range: <12.11
    • (no CPE)range: = 12.11
  • Apple Inc./Ipados2 versions
    cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <14.2
    • (no CPE)range: = 14.2
  • Apple Inc./Iphone OS
    cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
    Range: <14.2
  • Apple Inc./iOSllm-fuzzy
    Range: = 14.2
  • Apple Inc./iCloud for Windowsllm-fuzzy
    Range: = 11.5

Patches

Vulnerability mechanics

References

9

News mentions

0

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