Cyber Resilience

CVE-2021-22327

Medium

Published: 28 April 2021

Published
28 April 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score 0.0016 36.9th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-22327 is a medium-severity Out-of-bounds Write (CWE-787) vulnerability in Huawei P30 Firmware. Its CVSS base score is 6.5 (Medium).

Operationally, ranked at the 36.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

There is an arbitrary memory write vulnerability in Huawei smart phone when processing file parsing. Due to insufficient validation of the input files, successful exploit could cause certain service abnormal. Affected product versions include:HUAWEI P30 versions 10.0.0.186(C10E7R5P1), 10.0.0.186(C461E4R3P1), 10.0.0.188(C00E85R2P11), 10.0.0.188(C01E88R2P11),10.0.0.188(C605E19R1P3),…

more

10.0.0.190(C185E4R7P1), 10.0.0.190(C431E22R2P5), 10.0.0.190(C432E22R2P5),10.0.0.190(C605E19R1P3), 10.0.0.190(C636E4R3P4), 10.0.0.192(C635E3R2P4).

CWE(s)
CWE-787

Related Threats

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

Affected Assets

huawei
p30 firmware
10.0.0.186\(c10e7r5p1\), 10.0.0.186\(c461e4r3p1\), 10.0.0.188\(c00e85r2p11\), 10.0.0.188\(c01e88r2p11\), 10.0.0.188\(c605e19r1p3\)

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-16 Memory Protection
addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References