CVE-2021-25834

Published: Feb 8, 2021Modified: Nov 21, 2024

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

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 (1)

Products: Chainsafe: Ethermint

Chainsafe

1 product

Ethermint

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Chainsafe Ethermint	Up to 0.4.0

Related CWEs

CWE-294

Authentication Bypass by Capture-replay

A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes).

References (2)

https://github.com/cosmos/ethermint/issues/686

Source: cve@mitre.org

Third Party Advisory

https://github.com/cosmos/ethermint/issues/686

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.