Vulnerability Details : 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 category: Denial of service
Products affected by CVE-2021-42765
- Proof-of-stake Ethereum Project » Proof-of-stake EthereumVersions up to, including, (<=) 2021-10-19cpe:2.3:a:proof-of-stake_ethereum_project:proof-of-stake_ethereum:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-42765
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 41 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-42765
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
References for CVE-2021-42765
-
https://arxiv.org/abs/2110.10086
[2110.10086] Three Attacks on Proof-of-Stake EthereumThird Party Advisory
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