CVE-2021-45699
Last modified
CVE-2021-45699 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 1.47% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nervos | Ckb | < 0.40.0 |
References
- https://rustsec.org/advisories/RUSTSEC-2021-0108.htmlThird Party Advisory
- https://rustsec.org/advisories/RUSTSEC-2021-0108.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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