{"id":"CVE-2021-25836","aliases":["EUVD-2021-12717"],"status":"published","description":"Cosmos Network Ethermint \u003c= v0.4.0 is affected by cache lifecycle inconsistency in the EVM module. The bytecode set in a FAILED transaction wrongfully remains in memory(stateObject.code) and is further written to persistent store at the Endblock stage, which may be utilized to build honeypot contracts.","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":0.01275,"percentile":0.70166,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-02-08T17:54:16Z","modified":"2026-10-20T10:54:33Z","products":[{"vendor":"chainsafe","product":"ethermint"}],"references":[{"url":"https://github.com/cosmos/ethermint/issues/667#issuecomment-759284303","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]}],"sources":{"cve":[{"id":"CVE-2021-25836","description":"Cosmos Network Ethermint \u003c= v0.4.0 is affected by cache lifecycle inconsistency in the EVM module. The bytecode set in a FAILED transaction wrongfully remains in memory(stateObject.code) and is further written to persistent store at the Endblock stage, which may be utilized to build honeypot contracts.","status":"published","published":"2021-02-08T17:54:16Z","modified":"2024-08-03T20:11:28.461Z","updated_at":"2026-11-02T14:32:59.802172Z"}],"euvd":[{"id":"EUVD-2021-12717","description":"Cosmos Network Ethermint \u003c= v0.4.0 is affected by cache lifecycle inconsistency in the EVM module. The bytecode set in a FAILED transaction wrongfully remains in memory(stateObject.code) and is further written to persistent store at the Endblock stage, which may be utilized to build honeypot contracts.","status":"published","published":"2021-02-08T17:54:16Z","modified":"2024-08-03T20:11:28Z","updated_at":"2026-11-03T03:24:52.420769Z"}],"nvd":[{"id":"CVE-2021-25836","description":"Cosmos Network Ethermint \u003c= v0.4.0 is affected by cache lifecycle inconsistency in the EVM module. The bytecode set in a FAILED transaction wrongfully remains in memory(stateObject.code) and is further written to persistent store at the Endblock stage, which may be utilized to build honeypot contracts.","status":"published","published":"2021-02-08T18:15:13.863Z","modified":"2026-06-17T03:42:30.04Z","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"}],"updated_at":"2026-11-02T14:06:49.660551Z"}],"osv":[{"id":"CVE-2021-25836","description":"Cosmos Network Ethermint \u003c= v0.4.0 is affected by cache lifecycle inconsistency in the EVM module. The bytecode set in a FAILED transaction wrongfully remains in memory(stateObject.code) and is further written to persistent store at the Endblock stage, which may be utilized to build honeypot contracts.","status":"published","published":"2021-02-08T18:15:13.863Z","modified":"2026-10-20T10:54:33.606505051Z","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"}]}}