CVE-2023-21507

low-risk
Published 2023-05-04

Out-of-bounds Read vulnerability while processing BC_TUI_CMD_SEND_RESOURCE_DATA_ARRAY command in bc_tui trustlet from Samsung Blockchain Keystore prior to version 1.3.12.1 allows local attacker to read arbitrary memory.

Do I need to act?

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0.04% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.4/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Samsung Blockchain Keystore

Affected Vendors

Samsung

References (2)

Vendor Advisory https://security.samsungmobile.com/serviceWeb.smsb?year=2023&month=05
Vendor Advisory https://security.samsungmobile.com/serviceWeb.smsb?year=2023&month=05
20
/ 100
low-risk
Severity 15/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal