CVE-2020-36444 json
Data races in async-coap
published 2020-12-08 5 y ago modified 2026-06-17 4 mo ago also GHSA-9j8q-m9x5-9g6j , RUSTSEC-2020-0124 , EUVD-2021-1661
- cvss
- 8.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 55%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).
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 | async-coap | <=0.1.0 >=0.0.0-0 |
no fix listed |
Classification
References
-
rustsec.org
/advisories/RUSTSEC-2020-0124.html
web, third-party-advisory, advisory
-
raw.githubusercontent.com
/rustsec/advisory-db/main/crates/async-coap/RUSTSEC-2020-0124.md
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-36444
advisory
-
github.com
/google/rust-async-coap/issues/33
web, report
-
github.com
/google/rust-async-coap
package
-
crates.io
/crates/async-coap
package
Sources
- CVE List CVE-2020-36444
- GitHub Advisory GHSA-9j8q-m9x5-9g6j
- NVD CVE-2020-36444
- OSV RUSTSEC-2020-0124
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