CVE-2023-21511
CVE-2023-21511 is a medium-severity vulnerability in Samsung Samsung Blockchain Keystore with a CVSS 3.x base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: Medium (CVSS 3.x base score 4.4)
- EPSS exploit prediction: 0% (7th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Samsung Samsung Blockchain Keystore
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2023-21511?
- 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.
- How severe is CVE-2023-21511?
- CVE-2023-21511 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2023-21511 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-21511?
- CVE-2023-21511 affects Samsung Samsung Blockchain Keystore. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-21511?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-21511 published?
- CVE-2023-21511 was published on 2023-05-04 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:samsung:samsung_blockchain_keystore:*:*:*:*:*:*:*:*
More vulnerabilities in Samsung Samsung Blockchain Keystore
- CVE-2023-21509 — Medium (CVSS 6.7): Out-of-bounds Write vulnerability while processing BC_TUI_CMD_UPDATE_SCREEN in bc_tui trustlet from Samsung Blockchain…
- CVE-2023-21508 — Medium (CVSS 6.7): Out-of-bounds Write vulnerability while processing BC_TUI_CMD_SEND_RESOURCE_DATA command in bc_tui trustlet from…
- CVE-2023-21506 — Medium (CVSS 6.7): Out-of-bounds Write vulnerability while processing BC_TUI_CMD_SEND_RESOURCE_DATA_ARRAY command in bc_tui trustlet from…
- CVE-2023-21510 — Medium (CVSS 4.4): Out-of-bounds Read vulnerability while processing BC_TUI_CMD_UPDATE_SCREEN in bc_tui trustlet from Samsung Blockchain…
- CVE-2023-21507 — Medium (CVSS 4.4): Out-of-bounds Read vulnerability while processing BC_TUI_CMD_SEND_RESOURCE_DATA_ARRAY command in bc_tui trustlet from…
All CVEs affecting Samsung Samsung Blockchain Keystore →
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