Memory Allocation Vulnerability in Nervos CKB Blockchain Allows for 51% Attack
CVE-2021-45699 · HIGH Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
Learn more about our Blockchain Pen Testing.