CVE-2023-21456

Critical

Published: 16 March 2023

Published

16 March 2023

Modified

21 November 2024

KEV Added

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Patch

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CVSS Score v3.1 9.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

EPSS Score 0.0010 26.6th percentile

Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-21456 is a critical-severity Path Traversal (CWE-22) vulnerability in Samsung Android. Its CVSS base score is 9.0 (Critical).

Operationally, ranked at the 26.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

Path traversal vulnerability in Galaxy Themes Service prior to SMR Mar-2023 Release 1 allows attacker to access arbitrary file with system uid.

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

samsung

android

11.0, 12.0, 13.0

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.