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

CVE-2021-40040

CVE-2021-40040

Description

Vulnerability of writing data to an arbitrary address in the HW_KEYMASTER module. Successful exploitation of this vulnerability may affect confidentiality.

AI Insight

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

Affected products

10
  • Huawei/Emui4 versions
    cpe:2.3:o:huawei:emui:10.0.0:*:*:*:*:*:*:*+ 3 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:*:*:*:*:*:*:*
  • Huawei/Harmonyos
    cpe:2.3:o:huawei:harmonyos:2.0:*:*:*:*:*:*:*
  • Huawei/Magic UI4 versions
    cpe:2.3:o:huawei:magic_ui:3.0.0:*:*:*:*:*:*:*+ 3 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:*:*:*:*:*:*:*
  • Huawei/HW_KEYMASTERllm-fuzzy

Patches

Vulnerability mechanics

References

2

News mentions

0

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