CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2021-45698
Critical (9.8) in nervos ckb. EPSS 1.2% chance of exploitation in the next 30 days. Fixed in ckb 0.40.0.
An issue was discovered in the ckb crate before 0.40.0 for Rust. A get_block_template RPC call may fail in situations where it is supposed to select a Nervos CKB blockchain transaction with a higher fee rate than another transaction.
Severity
- EPSS
- 1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)
- Published
- Modified
- Record from
- the NVD, synced
Affected
- nervos:ckb
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-8gjm-h3xj-mp6w | crates.io | ckb | <0.40.0 | 0.40.0 |
| GHSA-v666-6w97-pcwm | crates.io | ckb | <0.40.0 | 0.40.0 |
| RUSTSEC-2021-0107 | crates.io | ckb | >=0.0.0-0 <0.40.0 | 0.40.0 |