Security Advisory

CVE-2021-25835

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-02-08 17:57:19

Last updated 2024-08-03 20:11:28

Assigner mitre

State PUBLISHED

Description

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.

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