CVE-2021-45698 is a critical vulnerability affecting the ckb crate in Nervos CKB blockchain software prior to version 0.40.0. It allows a remote, unauthenticated attacker to cause a denial of service by preventing the get_block_template RPC call from correctly selecting transactions with higher fee rates. Despite its critical CVSS score of 9.8, there is no known active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.
| 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:H/I:H/A:H
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The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.