Data races in toolshed

published 2020-11-15 5 y ago modified 2026-06-17 4 mo ago also GHSA-2r6q-6c8c-g762 , RUSTSEC-2020-0136 , EUVD-2021-1516

cvss: 8.1; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits: 0; none known

An issue was discovered in the toolshed crate through 2020-11-15 for Rust. In CopyCell<T>, the Send trait lacks bounds on the contained type.

Patch / fix

links 1

rustsec.org/advisories/RUSTSEC-2020-0136.html advisory

Exploit prediction

1.10% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

rustsec.org https://rustsec.org/advisories/RUSTSEC-2020-0136.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	8.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P
GitHub	3.1	8.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
OSV	3.1	8.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
crates.io	toolshed	<=0.8.1 >=0.0.0-0	no fix listed

Classification

Weakness

CWE-77 Improper Neutralization of Special Elements used in a Command
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

rustsec.org /advisories/RUSTSEC-2020-0136.html
web, exploit, issue-tracking, patch, third-party-advisory, advisory
raw.githubusercontent.com /rustsec/advisory-db/main/crates/toolshed/RUSTSEC-2020-0136.md
third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2020-36456
advisory
github.com /ratel-rust/toolshed/issues/12
web, report
github.com /ratel-rust/toolshed
package
crates.io /crates/toolshed
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary