{"id":"CVE-2021-25834","aliases":["GHSA-93p5-8fqw-wjx3","GO-2022-0813"],"url":"https://o3.security/vulnerability/CVE-2021-25834","summary":"Authentication bypass by capture-replay in github.com/cosmos/ethermint","details":"Cosmos Network Ethermint <= v0.4.0 is affected by a transaction replay vulnerability in the EVM module. If the victim sends a very large nonce transaction, the attacker can replay the transaction through the application.\n\n### Specific Go Packages Affected\ngithub.com/cosmos/ethermint/rpc/namespaces/eth","published":"2021-02-08T18:15:13.740Z","modified":"2026-07-08T21:27:09.468297Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/cosmos/ethermint","fixedVersion":"0.4.1"}],"fix":{"url":"https://github.com/cosmos/ethermint/commit/d7bdbd7488644f0aaeee5cdcdc119c863f199f72","label":"cosmos/ethermint@d7bdbd7"},"references":[{"type":"ADVISORY","url":"https://github.com/cosmos/ethermint/issues/686"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25834"},{"type":"WEB","url":"https://github.com/cosmos/ethermint/commit/d7bdbd7488644f0aaeee5cdcdc119c863f199f72"},{"type":"WEB","url":"https://github.com/cosmos/ethermint/releases/tag/v0.4.1"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T21:27:09.468297Z"}}