{"id":"CVE-2022-37450","aliases":["GHSA-rqmg-hrg4-fm69"],"url":"https://o3.security/vulnerability/CVE-2022-37450","summary":"Go Ethereum allows attackers to use manipulation of time-difference values to achieve replacement of main-chain blocks","details":"Go Ethereum (aka geth) through 1.10.21 allows attackers to increase rewards by mining blocks in certain situations, and using a manipulation of time-difference values to achieve replacement of main-chain blocks, aka Riskless Uncle Making (RUM), as exploited in the wild in 2020 through 2022.","published":"2022-08-05T20:30:46Z","modified":"2026-08-08T03:47:33.458853710Z","cvss":{"score":5.9,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":4,"affectedPackages":[{"ecosystem":"Go","name":"github.com/ethereum/go-ethereum","fixedVersion":null}],"fix":null,"references":[{"type":"WEB","url":"http://dx.doi.org/10.13140/RG.2.2.27813.99043"},{"type":"WEB","url":"https://github.com/ethereum/go-ethereum/blob/671094279e8d27f4b4c3c94bf8b636c26b473976/core/forkchoice.go#L91-L94"},{"type":"WEB","url":"https://medium.com/%40aviv.yaish/uncle-maker-time-stamping-out-the-competition-in-ethereum-d27c1cb62fef"},{"type":"WEB","url":"https://news.ycombinator.com/item?id=32354896"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/37xxx/CVE-2022-37450.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-37450"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-08T03:47:33.458853710Z"}}