CVE-2021-45700 describes a denial-of-service vulnerability in the ckb crate before version 0.40.0, specifically impacting Nervos CKB blockchain nodes. Attackers can trigger a node crash by utilizing a "dead call" as a DepGroup. This vulnerability has a CVSS score of 7.5 (HIGH), indicating a network-exploitable issue with low attack complexity and high impact on availability, but no impact on confidentiality or integrity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.40.0CPE matchmatch criteria | cpe:2.3:a:nervos:ckb:*:*:*:*:*:rust:*:* |
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.