CVE-2021-42764

Description

The Proof-of-Stake (PoS) Ethereum consensus protocol through 2021-10-19 allows an adversary to cause a denial of service (delayed consensus decisions), and also increase the profits of individual validators, via short-range reorganizations of the underlying consensus chain.

9.1

CVSS

Severity: Critical

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.33%

Third-Party Advisory arxiv.org

Affected: n/a n/a

References

Link	Tags
https://arxiv.org/abs/2110.10086	third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-42764?: CVE-2021-42764 has been scored as a critical severity vulnerability.
How to fix CVE-2021-42764?: To fix CVE-2021-42764, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-42764 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-42764 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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