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High severity7.5NVD Advisory· Published Jan 10, 2022· Updated Jun 17, 2026

CVE-2021-40020

CVE-2021-40020

Description

There is an Out-of-bounds array read vulnerability in the security storage module in smartphones. Successful exploitation of this vulnerability may affect service confidentiality.

AI Insight

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

Affected products

10
  • Huawei/Emui5 versions
    cpe:2.3:o:huawei:emui:10.0.0:*:*:*:*:*:*:*+ 4 more
    • cpe:2.3:o:huawei:emui:10.0.0:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:emui:10.1.0:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:emui:10.1.1:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:emui:11.0.0:*:*:*:*:*:*:*
    • (no CPE)range: 11.0.0
  • Huawei/Magic UI5 versions
    cpe:2.3:o:huawei:magic_ui:3.0.0:*:*:*:*:*:*:*+ 4 more
    • cpe:2.3:o:huawei:magic_ui:3.0.0:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:magic_ui:3.1.0:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:magic_ui:3.1.1:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:magic_ui:4.0.0:*:*:*:*:*:*:*
    • (no CPE)range: 4.0.0

Patches

Vulnerability mechanics

References

1

News mentions

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