CVE-2020-35926
CRITICALCVSS 9.8/10EPSS 1.52%
Last modified
CVE-2020-35926 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in the nanorand crate before 0.5.1 for Rust. It caused any random number generator (even ChaCha) to return all zeroes because integer truncation was mishandled.. EPSS estimates a 1.52% chance of exploitation in the next 30 days.
Description
An issue was discovered in the nanorand crate before 0.5.1 for Rust. It caused any random number generator (even ChaCha) to return all zeroes because integer truncation was mishandled.
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 |
|---|---|---|
| Nanorand Project | Nanorand | < 0.5.1 |
References
- https://rustsec.org/advisories/RUSTSEC-2020-0089.htmlThird Party Advisory
- https://rustsec.org/advisories/RUSTSEC-2020-0089.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-35926?
An issue was discovered in the nanorand crate before 0.5.1 for Rust. It caused any random number generator (even ChaCha) to return all zeroes because integer truncation was mishandled.
How severe is CVE-2020-35926?
CVE-2020-35926 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.52% probability of exploitation in the next 30 days.
How do I fix CVE-2020-35926?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2020-35926?
Run a free Strix scan to check your systems for this vulnerability.
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