Cyber Resilience

CVE-2021-39970

High

Published: 03 January 2022

Published
03 January 2022
Modified
21 November 2024
KEV Added
—
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:H/A:N
EPSS Score 0.0016 36.5th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-39970 is a high-severity Path Traversal (CWE-22) vulnerability in Huawei Harmonyos. Its CVSS base score is 7.5 (High).

Operationally, ranked at the 36.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

HwPCAssistant has a Improper Input Validation vulnerability.Successful exploitation of this vulnerability may create any file with the system app permission.

CWE(s)
CWE-22

Related Threats

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

Affected Assets

huawei
harmonyos
≤ 2.0

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.

SI-10 Information Input Validation
addresses: CWE-22

Validates pathnames and filenames to prevent traversal outside intended directories.

References