CVE-2021-42765 describes a denial-of-service vulnerability in the Proof-of-Stake (PoS) Ethereum consensus protocol, affecting versions through October 19, 2021. An attacker can exploit network delays to indefinitely stall consensus decisions. This vulnerability carries a CVSS score of 7.5 (High), indicating a network-based attack with low complexity and high impact on availability, though without affecting confidentiality or integrity. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2021-10-19CPE matchmatch criteria | cpe:2.3:a:proof-of-stake_ethereum_project:proof-of-stake_ethereum:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.