CVE-2020-35889

Name: CVE-2020-35889
Creator: NVD / NIST
Published: 2020-12-31T10:15:16.643+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 0.87%

Last modified Jun 17, 2026

CVE-2020-35889 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. An issue was discovered in the crayon crate through 2020-08-31 for Rust. A TOCTOU issue has a resultant memory safety violation via HandleLike.. EPSS estimates a 0.87% chance of exploitation in the next 30 days.

Description

An issue was discovered in the crayon crate through 2020-08-31 for Rust. A TOCTOU issue has a resultant memory safety violation via HandleLike.

Metrics

CVSS 3.1

8.1/10

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

EPSS Probability

0.87%

54.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-367

Affected Software

Vendor	Product	Versions
Crayon Project	Crayon	<= 0.7.0

References

https://rustsec.org/advisories/RUSTSEC-2020-0037.htmlThird Party Advisory
https://rustsec.org/advisories/RUSTSEC-2020-0037.htmlThird Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2020-35889?

An issue was discovered in the crayon crate through 2020-08-31 for Rust. A TOCTOU issue has a resultant memory safety violation via HandleLike.

How severe is CVE-2020-35889?

CVE-2020-35889 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.87% probability of exploitation in the next 30 days.

How do I fix CVE-2020-35889?

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-2020-35889?

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

Scan your code now

Source: NVD / NIST