What is CVE-2020-36456?

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

How severe is CVE-2020-36456?

CVE-2020-36456 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-36456 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-36456?

CVE-2020-36456 affects Toolshed Project Toolshed. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-36456?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-36456 published?

CVE-2020-36456 was published on 2021-08-08 and last updated on 2026-06-17.

CVE-2020-36456

CVE-2020-36456 is a high-severity vulnerability in Toolshed Project Toolshed with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Toolshed Project Toolshed
Published: 2021-08-08
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2020-36456?: 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.
How severe is CVE-2020-36456?: CVE-2020-36456 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-36456 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-36456?: CVE-2020-36456 affects Toolshed Project Toolshed. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-36456?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-36456 published?: CVE-2020-36456 was published on 2021-08-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:toolshed_project:toolshed:*:*:*:*:*:rust:*:*

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