CVE-2021-27378
Last modified
CVE-2021-27378 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in the rand_core crate before 0.6.2 for Rust. Because read_u32_into and read_u64_into mishandle certain buffer-length checks, a random number generator may be seeded with too little data.. EPSS estimates a 1.24% chance of exploitation in the next 30 days.
Description
An issue was discovered in the rand_core crate before 0.6.2 for Rust. Because read_u32_into and read_u64_into mishandle certain buffer-length checks, a random number generator may be seeded with too little data.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Rand Core Project | Rand Core | >= 0.6.0, < 0.6.2 |
References
- https://rustsec.org/advisories/RUSTSEC-2021-0023.htmlThird Party Advisory
- https://rustsec.org/advisories/RUSTSEC-2021-0023.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- 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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