CVE-2020-35880

Name: CVE-2020-35880
Creator: NVD / NIST
Published: 2020-12-31T10:15:16.1+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.52%

Last modified Jun 17, 2026

CVE-2020-35880 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in the bigint crate through 2020-05-07 for Rust. It allows a soundness violation.. EPSS estimates a 1.52% chance of exploitation in the next 30 days.

Description

An issue was discovered in the bigint crate through 2020-05-07 for Rust. It allows a soundness violation.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.52%

71.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Bigint Project	Bigint	<= 4.4.3

References

https://rustsec.org/advisories/RUSTSEC-2020-0025.htmlPatch, Third Party Advisory
https://rustsec.org/advisories/RUSTSEC-2020-0025.htmlPatch, Third Party Advisory

Timeline

Published: Dec 31, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-35880?

An issue was discovered in the bigint crate through 2020-05-07 for Rust. It allows a soundness violation.

How severe is CVE-2020-35880?

CVE-2020-35880 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-2020-35880?

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.

Are you affected by CVE-2020-35880?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST