CVE-2020-36444

HIGH 8.1CVE-2020-36444 · Published 08/08/2021 · updated 17/06/2026

In short

CVE-2020-36444 is a HIGH (CVSS 8.1) vulnerability affecting async-coap (async-coap project).
Chance of exploitation in the next 30 days (EPSS): 0.77%, higher than 55.6% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
async-coap async-coap_project	`≤ 2020-12-08`	No fix yet

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.

References

raw.githubusercontent.com/rustsec/advisory-db/main/crates/async-coap/RUSTSEC-2020-0124.md · Third Party Advisory
rustsec.org/advisories/RUSTSEC-2020-0124.html · Third Party Advisory

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