HIGH · 7.5

CVE-2021-42765

The Proof-of-Stake (PoS) Ethereum consensus protocol through 2021-10-19 allows an adversary to leverage network delay to cause a denial of service (indefinite stalling of consensus decisions).

Vulnerability Description

The Proof-of-Stake (PoS) Ethereum consensus protocol through 2021-10-19 allows an adversary to leverage network delay to cause a denial of service (indefinite stalling of consensus decisions).

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
Proof-Of-Stake Ethereum ProjectProof-Of-Stake Ethereum<= 2021-10-19

References

FAQ

What is CVE-2021-42765?

CVE-2021-42765 is a vulnerability with a CVSS score of 7.5 (HIGH). The Proof-of-Stake (PoS) Ethereum consensus protocol through 2021-10-19 allows an adversary to leverage network delay to cause a denial of service (indefinite stalling of consensus decisions).

How severe is CVE-2021-42765?

CVE-2021-42765 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-42765?

Check the references section above for vendor advisories and patch information. Affected products include: Proof-Of-Stake Ethereum Project Proof-Of-Stake Ethereum.