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Fencer Vulns
medium 6.7

CVE-2023-21508 json

Out-of-bounds Write vulnerability while processing BC_TUI_CMD_SEND_RESOURCE_DATA command in bc_tui trustlet from Samsung Blockchain Keystor…

published 2023-05-04 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-25676

cvss
6.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 8%
public exploits
0
none known

Summary

Out-of-bounds Write vulnerability while processing BC_TUI_CMD_SEND_RESOURCE_DATA command in bc_tui trustlet from Samsung Blockchain Keystore prior to version 1.3.12.1 allows local attacker to execute arbitrary code.

Patch / fix

  • Samsung Mobile Samsung Blockchain Keystore 1.3.12.1

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
21 mo ago

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Samsung Mobile Samsung Blockchain Keystore

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.