CVE-2023-21506

7.8 highEPSS 0.2%

High (7.8) in samsung samsung blockchain keystore. EPSS 0.2% chance of exploitation in the next 30 days.

Out-of-bounds Write 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 execute arbitrary code.

Severity

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 9% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2023-05-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

samsung:samsung_blockchain_keystore

References

https://security.samsungmobile.com/serviceWeb.smsb?year=2023&month=05
https://security.samsungmobile.com/serviceWeb.smsb?year=2023&month=05

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