CVE-2023-21511

5.5 mediumEPSS 0.2%

Medium (5.5) in samsung samsung blockchain keystore. EPSS 0.2% chance of exploitation in the next 30 days.

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

Severity

CVSS 3.1

5.5 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 6% of CVEs (scores of 2026-10-31)
CWE: CWE-125
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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