{ "dataType": "CVE_RECORD", "cveMetadata": { "state": "PUBLISHED", "cveId": "CVE-2020-36843", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2025-03-18T16:22:08.617Z", "dateReserved": "2025-03-13T00:00:00.000Z", "datePublished": "2025-03-13T00:00:00.000Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unknown", "product": "ed25519-java", "vendor": "str4d", "versions": [ { "lessThanOrEqual": "0.3.0", "status": "affected", "version": "0", "versionType": "semver" } ] } ], "descriptions": [ { "lang": "en", "value": "The implementation of EdDSA in EdDSA-Java (aka ed25519-java) through 0.3.0 exhibits signature malleability and does not satisfy the SUF-CMA (Strong Existential Unforgeability under Chosen Message Attacks) property. This allows attackers to create new valid signatures different from previous signatures for a known message." } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-347", "description": "CWE-347 Improper Verification of Cryptographic Signature", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2025-03-13T05:20:08.585Z" }, "references": [ { "url": "https://github.com/str4d/ed25519-java/issues/82#issue-727629226" }, { "url": "https://eprint.iacr.org/2020/1244" } ], "x_generator": { "engine": "enrichogram 0.0.1" }, "metrics": [ { "cvssV3_1": { "version": "3.1", "baseScore": 4.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N" } } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2025-03-18T16:22:00.551300Z", "id": "CVE-2020-36843", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-03-18T16:22:08.617Z" } } ] }, "dataVersion": "5.1" }