{"cve":"CVE-2021-3004","nvd":{"published":"2021-01-03T04:15:12.263","modified":"2026-06-17T04:04:32.917","status":"Modified","description":"The _deposit function in the smart contract implementation for Stable Yield Credit (yCREDIT), an Ethereum token, has certain incorrect calculations. An attacker can obtain more yCREDIT tokens than they should.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":7.5},"cwes":["CWE-682"],"references":["https://blocksecteam.medium.com/deposit-less-get-more-ycredit-attack-details-f589f71674c3","https://etherscan.io/address/0xe0839f9b9688a77924208ad509e29952dc660261","https://blocksecteam.medium.com/deposit-less-get-more-ycredit-attack-details-f589f71674c3","https://etherscan.io/address/0xe0839f9b9688a77924208ad509e29952dc660261"],"products":["stableyieldcredit_project:stableyieldcredit"],"source":"nvd","synced_at":"2026-10-19T21:12:09.559580076+00:00"},"epss":{"cve":"CVE-2021-3004","score":0.01276,"percentile":0.69951,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}