Cyber Resilience

CVE-2021-46856

High

Published: 20 December 2022

Published
20 December 2022
Modified
17 April 2025
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0024 47.3th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-46856 is a high-severity Path Traversal (CWE-22) vulnerability in Huawei Emui. Its CVSS base score is 7.5 (High).

Operationally, ranked at the 47.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

The multi-screen collaboration module has a path traversal vulnerability. Successful exploitation of this vulnerability may affect data confidentiality.

CWE(s)

Related Threats

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

Affected Assets

huawei
emui
12.0.0, 12.0.1
huawei
harmonyos
2.0, 3.0.0

Mitigating Controls

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-22

Validates pathnames and filenames to prevent traversal outside intended directories.

References