CVE-2021-25834: Chainsafe Ethermint

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

Cosmos Network Ethermint <= v0.4.0 is affected by a transaction replay vulnerability in the EVM module. If the victim sends a very large nonce transaction, the attacker can replay the transaction through the application.

Affected products

• Chainsafe Ethermint: up to and including 0.4.0

Published 2021-02-08. Last modified 2026-06-17.