{"id":"CVE-2021-25834","aliases":["EUVD-2022-0930","GHSA-93p5-8fqw-wjx3","GO-2022-0813"],"status":"published","title":"Authentication bypass by capture-replay in github.com/cosmos/ethermint","description":"Cosmos Network Ethermint \u003c= 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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01161,"percentile":0.67457,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287","CWE-294"],"published":"2021-02-08T17:53:46Z","modified":"2026-10-20T10:54:33Z","fixes":[{"ecosystem":"Go","package":"github.com/cosmos/ethermint","fixed_in":["0.4.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/cosmos/ethermint","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/cosmos/ethermint","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.4.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/cosmos/ethermint","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.4.1"}]}]}],"products":[{"vendor":"chainsafe","product":"ethermint"}],"references":[{"url":"https://github.com/cosmos/ethermint/issues/686","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25834","tags":["advisory"]},{"url":"https://github.com/cosmos/ethermint/commit/d7bdbd7488644f0aaeee5cdcdc119c863f199f72","tags":["web","fix"]},{"url":"https://github.com/cosmos/ethermint/releases/tag/v0.4.1","tags":["web"]},{"url":"https://github.com/advisories/GHSA-93p5-8fqw-wjx3","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2021-25834","description":"Cosmos Network Ethermint \u003c= 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.","status":"published","published":"2021-02-08T17:53:46Z","modified":"2024-08-03T20:11:28.454Z","updated_at":"2026-11-02T14:32:59.802172Z"}],"euvd":[{"id":"EUVD-2022-0930","description":"Cosmos Network Ethermint \u003c= 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.","status":"published","published":"2021-02-08T17:53:46Z","modified":"2024-08-03T20:11:28Z","updated_at":"2026-11-03T03:24:51.962182Z"}],"ghsa":[{"id":"GHSA-93p5-8fqw-wjx3","title":"Authentication bypass by capture-replay in github.com/cosmos/ethermint","description":"Cosmos Network Ethermint \u003c= 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","status":"published","published":"2022-02-15T01:57:18Z","modified":"2023-10-02T11:44:21Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-287","CWE-294"],"updated_at":"2026-11-02T14:37:06.913882Z"}],"nvd":[{"id":"CVE-2021-25834","description":"Cosmos Network Ethermint \u003c= 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.","status":"published","published":"2021-02-08T18:15:13.74Z","modified":"2026-06-17T03:42:29.807Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-294"],"updated_at":"2026-11-02T14:06:49.660551Z"}],"osv":[{"id":"CVE-2021-25834","description":"Cosmos Network Ethermint \u003c= 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.","status":"published","published":"2021-02-08T18:15:13.74Z","modified":"2026-10-20T10:54:33.540418578Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:18.778776Z"},{"id":"GHSA-93p5-8fqw-wjx3","title":"Authentication bypass by capture-replay in github.com/cosmos/ethermint","description":"Cosmos Network Ethermint \u003c= 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","status":"published","published":"2022-02-15T01:57:18Z","modified":"2024-08-21T15:58:40.012711Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-287","CWE-294"],"updated_at":"2026-11-02T15:46:43.123867Z"},{"id":"GO-2022-0813","title":"Authentication bypass by capture-replay in github.com/cosmos/ethermint","description":"Authentication bypass by capture-replay in github.com/cosmos/ethermint","status":"published","published":"2024-08-21T15:29:02Z","modified":"2026-03-03T04:52:16.399719Z","updated_at":"2026-11-02T15:47:00.918515Z"}]}}