What’s Vulnerable › Vulnerabilities

CVE-2020-36444

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-08 · updated 2026-06-17
• Weakness: CWE-362

Description

An issue was discovered in the async-coap crate through 2020-12-08 for Rust. Send and Sync are implemented for ArcGuard<RC, T> without trait bounds on RC.

Affected products

• Async-Coap Project Async-Coap: through 2020-12-08

References

• https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/async-coap/RUSTSEC-2020-0124.md
• https://rustsec.org/advisories/RUSTSEC-2020-0124.html
• https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/async-coap/RUSTSEC-2020-0124.md
• https://rustsec.org/advisories/RUSTSEC-2020-0124.html

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