CVE-2021-45698 : An issue was discovered in the ckb crate before 0.40.0 for Rust. A get_block

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.

Published 2021-12-27 00:15:10

Updated 2022-01-06 19:30:18

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-45698

Nervos » CKB » For Rust
Versions before (<) 0.40.0
cpe:2.3:a:nervos:ckb:*:*:*:*:*:rust:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-45698

EPSS FAQ

0.24%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 62 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-45698

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

References for CVE-2021-45698

https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/ckb/RUSTSEC-2021-0107.md

Third Party Advisory
https://rustsec.org/advisories/RUSTSEC-2021-0107.html

RUSTSEC-2021-0107: ckb: Miner fails to get block template when a cell used as a cell dep has been destroyed. › RustSec Advisory Database
Third Party Advisory

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Vulnerability Details : CVE-2021-45698

Products affected by CVE-2021-45698

Exploit prediction scoring system (EPSS) score for CVE-2021-45698

CVSS scores for CVE-2021-45698

References for CVE-2021-45698