CVE-2021-42766
Published: 20 October 2021
Summary
CVE-2021-42766 is a critical-severity an unspecified weakness vulnerability in Proof-Of-Stake Ethereum Project Proof-Of-Stake Ethereum. Its CVSS base score is 9.1 (Critical).
Operationally, ranked in the top 38.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-29724
Vulnerability details
The Proof-of-Stake (PoS) Ethereum consensus protocol through 2021-10-19 allows an adversary to cause a denial of service (long-range consensus chain reorganizations), even when this adversary has little stake and cannot influence network message propagation. This can cause a protocol stall,…
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or an increase in the profits of individual validators.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.