What is CVE-2021-25834?

CVE-2021-25834 is a high-severity vulnerability in Chainsafe Ethermint, classified under Authentication Bypass by Capture-replay. CVSS score: 7.5/10. Published 2021-02-08.

How severe is CVE-2021-25834?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Chainsafe Ethermint

CVE-2021-25834

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.

EPSS: 0.011 (63.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Chainsafe Ethermint
N/a — versions n/a

Weakness classification (CWE)

CWE-294 — Authentication Bypass by Capture-replay

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-25834?: CVE-2021-25834 is a high-severity vulnerability in Chainsafe Ethermint, classified under Authentication Bypass by Capture-replay. CVSS score: 7.5/10. Published 2021-02-08.
How severe is CVE-2021-25834?: High severity. CVSS v3 base score is 7.5 out of 10.