High severity7.5NVD Advisory· Published Feb 8, 2021· Updated Jun 17, 2026
CVE-2021-25837
CVE-2021-25837
Description
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".
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Affected products
2- Cosmos Network/Ethermintdescription
- Range: <=v0.4.0
Patches
Vulnerability mechanics
References
1- github.com/cosmos/ethermint/issues/667nvdExploitThird Party Advisory
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