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Case File

CVE-2021-45699

HIGH · CVSS 7.5 EPSS 1.47%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-27 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It may be remotely exploitable.

CVE
CVE-2021-45699
Severity
HIGH
CVSS
7.5
EPSS
1.47%

Original NVD Description

An issue was discovered in the ckb crate before 0.40.0 for Rust. Remote attackers may be able to conduct a 51% attack against the Nervos CKB blockchain by triggering an inability to allocate memory for the misbehavior HashMap.

Related CVEs

Other vulnerabilities affecting the same vendor(s)