{"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"}