Cyber Resilience

CVE-2023-21401

Google Android

Published
04 December 2023
Modified
21 November 2024
Patch / advisory
CVSS Score v3.1 9.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0041 34th percentile
Risk Priority 71 floored blend · peak EPSS

Summary

CVE-2023-21401 is a critical-severity an unspecified weakness vulnerability in Google Android. Its CVSS base score is 9.8 (Critical).

Operationally, ranked at the 34th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability Data

In DevmemIntChangeSparse of devicemem_server.c, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for…

more

exploitation.

CWE(s)

Related Threats

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CVE-2025-48653Same product: Google Android
CVE-2024-47021Same product: Google Android
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CVE-2023-20987Same product: Google Android

Affected Assets

google
android
all versions

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References