Vulnerability Details CVE-2021-25835
Cosmos Network Ethermint <= v0.4.0 is affected by a cross-chain transaction replay vulnerability in the EVM module. Since ethermint uses the same chainIDEpoch and signature schemes with ethereum for compatibility, a verified signature in ethereum is still valid in ethermint with the same msg content and chainIDEpoch, which enables "cross-chain transaction replay" attack.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 39.9%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
Products affected by CVE-2021-25835
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cpe:2.3:a:chainsafe:ethermint:0.1.0
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cpe:2.3:a:chainsafe:ethermint:0.2.0
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cpe:2.3:a:chainsafe:ethermint:0.2.1
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cpe:2.3:a:chainsafe:ethermint:0.3.0
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cpe:2.3:a:chainsafe:ethermint:0.3.1
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cpe:2.3:a:chainsafe:ethermint:0.4.0