Cyber Resilience

CVE-2023-21457

MediumLPE

Published: 16 March 2023

Published
16 March 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 4.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:L
EPSS Score 0.0006 18.0th percentile
Risk Priority 8 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-21457 is a medium-severity Improper Access Control (CWE-284) vulnerability in Samsung Android. Its CVSS base score is 4.1 (Medium).

Operationally, ranked at the 18.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Improper access control vulnerability in Bluetooth prior to SMR Mar-2023 Release 1 allows attackers to send file via Bluetooth without related permission.

CWE(s)

Related Threats

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

Affected Assets

samsung
android
11.0, 12.0, 13.0

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-284

The access control policy and procedures directly mandate and enforce proper access control mechanisms across the organization.

addresses: CWE-284

Device lock enforces restricted access until re-authentication, directly reducing unauthorized use of active sessions.

addresses: CWE-284

Supervision and review of access control activities directly detects and remediates improper access configurations or usages.

addresses: CWE-284

Explicitly identifying and documenting actions permitted without identification or authentication enforces proper access control boundaries by defining justified exceptions.

addresses: CWE-284

By automatically labeling outputs with security attributes, the control supports attribute-based enforcement and reduces exploitability of improper access control weaknesses.

addresses: CWE-284

Associating and retaining security attributes with data directly supports enforcement of access control decisions across storage, processing, and transmission.

addresses: CWE-284

Requiring prior authorization for each remote access type prevents improper access control over remote connections.

addresses: CWE-284

Requiring authorization of wireless access before allowing connections enforces proper access control for this access method.

References