CVE-2020-36219 json
Data race in atomic-option
published 2020-10-31 6 y ago modified 2026-06-17 4 mo ago also GHSA-8gf5-q9p9-wvmc , RUSTSEC-2020-0113 , EUVD-2021-1638
- cvss
- 5.9
- 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 66%
- public exploits
- 0
- none known
Summary
An issue was discovered in the atomic-option crate through 2020-10-31 for Rust. Because AtomicOption<T> implements Sync unconditionally, a data race can occur.
Exploit prediction
1.12% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- rustsec.org https://rustsec.org/advisories/RUSTSEC-2020-0113.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
| GitHub | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
| OSV | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| crates.io | atomic-option | <=0.1.2 >=0.0.0-0 |
no fix listed |
Classification
- Weakness
-
- CWE-662 Improper Synchronization
References
-
rustsec.org
/advisories/RUSTSEC-2020-0113.html
web, exploit, vendor-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-36219
advisory
-
github.com
/reem/rust-atomic-option/issues/4
web, report
-
github.com
/reem/rust-atomic-option
package
-
crates.io
/crates/atomic-option
package
Sources
- CVE List CVE-2020-36219
- GitHub Advisory GHSA-8gf5-q9p9-wvmc
- NVD CVE-2020-36219
- OSV RUSTSEC-2020-0113
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