CVE-2021-42764
Last modified
CVE-2021-42764 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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.. EPSS estimates a 0.93% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Proof-Of-Stake Ethereum Project | Proof-Of-Stake Ethereum | <= 2021-10-19 |
References
- https://arxiv.org/abs/2110.10086Third Party Advisory
- https://arxiv.org/abs/2110.10086Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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