CVE-2021-45700 : An issue was discovered in the ckb crate before 0.40.0 for Rust. Attackers can c

An issue was discovered in the ckb crate before 0.40.0 for Rust. Attackers can cause a denial of service (Nervos CKB blockchain node crash) via a dead call that is used as a DepGroup.

Published 2021-12-27 00:15:10

Updated 2022-07-12 17:42:04

Source MITRE

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2021-45700

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-2021-45700

EPSS FAQ

0.11%

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

~ 44 %

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

CVSS scores for CVE-2021-45700

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.8	HIGH	AV:N/AC:L/Au:N/C:N/I:N/A:C	10.0	6.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

References for CVE-2021-45700

https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/ckb/RUSTSEC-2021-0109.md

Third Party Advisory
https://rustsec.org/advisories/RUSTSEC-2021-0109.html

RUSTSEC-2021-0109: ckb: Process crashes when the cell used as DepGroup is not alive › RustSec Advisory Database
Third Party Advisory

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Vulnerability Details : CVE-2021-45700

Products affected by CVE-2021-45700

Exploit prediction scoring system (EPSS) score for CVE-2021-45700

CVSS scores for CVE-2021-45700

References for CVE-2021-45700