Improper authorization vulnerability in ChnFileShareKit prior to SMR Jan-2023 Release 1 allows attacker to control BLE advertising without…

published 2023-02-09 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-25591

cvss: 5.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 4%
public exploits: 0; none known

Improper authorization vulnerability in ChnFileShareKit prior to SMR Jan-2023 Release 1 allows attacker to control BLE advertising without permission using unprotected action.

Patch / fix

fixed in 1

Samsung Mobile Samsung Mobile Devices SMR Jan-2023 Release 1

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 19 mo ago (2025-03-24)

Exploit prediction

0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.1	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected products

Samsung Mobile Samsung Mobile Devices

Classification

Weakness

CWE-285 Improper Authorization
CWE-863 Incorrect Authorization

References

security.samsungmobile.com /securityUpdate.smsb?year=2023&month=01
vendor-advisory

Sources

CVE List CVE-2023-21423
NVD CVE-2023-21423

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Summary