CVE-2021-25837

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:chainsafe:ethermint:*:*:*:*:*:*:*:*", "matchCriteriaId": "A35C91FB-4A33-4A25-8406-5F9143CF0828", "versionEndIncluding": "0.4.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Cosmos Network Ethermint <= v0.4.0 is affected by cache lifecycle inconsistency in the EVM module. Due to the inconsistency between the Storage caching cycle and the Tx processing cycle, Storage changes caused by a failed transaction are improperly reserved in memory. Although the bad storage cache data will be discarded at EndBlock, it is still valid in the current block, which enables many possible attacks such as an \"arbitrary mint token\"."}, {"lang": "es", "value": "Cosmos Network Ethermint versiones anteriores e incluyendo a v0.4.0, est\u00e1 afectado por la inconsistencia del ciclo de vida de la cach\u00e9 en el m\u00f3dulo EVM.&#xa0;Debido a la inconsistencia entre el ciclo de almacenamiento en cach\u00e9 y el ciclo de procesamiento de Tx, los cambios de almacenamiento causados ??por una transacci\u00f3n fallida se reservan incorrectamente en la memoria.&#xa0;Aunque los datos de cach\u00e9 de almacenamiento incorrecto se descartar\u00e1n en EndBlock, a\u00fan son v\u00e1lidos en el bloque actual, lo que permite muchos ataques posibles, como un \"arbitrary mint token\""}], "id": "CVE-2021-25837", "lastModified": "2026-06-17T03:42:30.157", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-02-08T18:15:13.927", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/cosmos/ethermint/issues/667#issuecomment-759284107"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/cosmos/ethermint/issues/667#issuecomment-759284107"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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