What is CVE-2021-42219?

CVE-2021-42219 is a high-severity vulnerability in Ethereum Go_ethereum. CVSS score: 7.5/10. Published 2022-03-17.

How severe is CVE-2021-42219?

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

Is CVE-2021-42219 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Ethereum Go_ethereum

CVE-2021-42219

Go-Ethereum v1.10.9 was discovered to contain an issue which allows attackers to cause a denial of service (DoS) via sending an excessive amount of messages to a node. This is caused by missing memory in the component /ethash/algorithm.go.

EPSS: 0.012 (63.7th 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:N/A:H.

Affected products

Ethereum Go_ethereum — versions 1.10.9
N/a — versions n/a

Public proof-of-concept exploits

demining/Solidity-Forcibly-Send-Ether-Vulnerability

References

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

Frequently asked questions

What is CVE-2021-42219?: CVE-2021-42219 is a high-severity vulnerability in Ethereum Go_ethereum. CVSS score: 7.5/10. Published 2022-03-17.
How severe is CVE-2021-42219?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-42219 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.