CVE-2021-46882

High

Published: 26 May 2023

Published

26 May 2023

Modified

16 January 2025

KEV Added

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Patch

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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Score 0.0010 28.1th percentile

Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-46882 is a high-severity Classic Buffer Overflow (CWE-120) vulnerability in Huawei Emui. Its CVSS base score is 7.5 (High).

Operationally, ranked at the 28.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The video framework has memory overwriting caused by addition overflow. Successful exploitation of this vulnerability may affect availability.

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

huawei

emui

10.1.0, 10.1.1, 11.0.0, 12.0.0, 12.0.1

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.