{"id":"CVE-2025-21021","state":"PUBLISHED","title":"Out-of-bounds write in drawing pinpad in Blockchain Keystore prior to version 1.3.17.2 allows local privileged attackers to write out-of-bounds memory.","description":"Out-of-bounds write in drawing pinpad in Blockchain Keystore prior to version 1.3.17.2 allows local privileged attackers to write out-of-bounds memory.","publishedAt":"2025-08-06T04:23:38.208Z","updatedAt":"2026-02-26T17:49:56.426Z","severity":{"score":5.7,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N","source":"SamsungMobile"},"assigner":"SamsungMobile","products":["Samsung Mobile Blockchain Keystore"],"affected":[{"vendor":"Samsung Mobile","product":"Blockchain Keystore","defaultStatus":"affected","versions":[{"version":"1.3.17.2","status":"unaffected"}]}],"references":["https://security.samsungmobile.com/serviceWeb.smsb?year=2025&month=08"],"weaknesses":[],"ingestedAt":"2026-10-29T20:08:39.238Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/21xxx/CVE-2025-21021.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-21021","state":"PUBLISHED","datePublished":"2025-08-06T04:23:38.208Z","dateUpdated":"2026-02-26T17:49:56.426Z","assignerShortName":"SamsungMobile","assignerOrgId":"3af57064-a867-422c-b2ad-40307b65c458","dateReserved":"2024-11-06T02:30:14.882Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Out-of-bounds write in drawing pinpad in Blockchain Keystore prior to version 1.3.17.2 allows local privileged attackers to write out-of-bounds memory."}],"affected":[{"vendor":"Samsung Mobile","product":"Blockchain Keystore","defaultStatus":"affected","versions":[{"version":"1.3.17.2","status":"unaffected"}]}],"references":[{"url":"https://security.samsungmobile.com/serviceWeb.smsb?year=2025&month=08"}],"metrics":[{"format":"CVSS","cvssV3_1":{"version":"3.1","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE","baseSeverity":"MEDIUM","baseScore":5.7,"vectorString":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N"}}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-787 Out-of-bounds Write"}]}],"providerMetadata":{"shortName":"SamsungMobile","orgId":"3af57064-a867-422c-b2ad-40307b65c458","dateUpdated":"2025-08-06T04:23:38.208Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2025-21021","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-08-13T15:03:40.774061Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-26T17:49:56.426Z"}}]}}}