{"cve":"CVE-2021-45704","nvd":{"published":"2021-12-27T00:15:09.817","modified":"2026-06-17T04:13:59.030","status":"Modified","description":"An issue was discovered in the metrics-util crate before 0.7.0 for Rust. There is a data race and memory corruption because AtomicBucket<T> unconditionally implements the Send and Sync traits.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.1},"cwes":["CWE-362","CWE-787"],"references":["https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/metrics-util/RUSTSEC-2021-0113.md","https://rustsec.org/advisories/RUSTSEC-2021-0113.html","https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/metrics-util/RUSTSEC-2021-0113.md","https://rustsec.org/advisories/RUSTSEC-2021-0113.html"],"products":["metrics-util_project:metrics-util"],"source":"nvd","synced_at":"2026-10-19T21:26:33.761856376+00:00"},"epss":{"cve":"CVE-2021-45704","score":0.00766,"percentile":0.55485,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-3hxh-7jxm-59x4","url":"https://osv.dev/vulnerability/GHSA-3hxh-7jxm-59x4","summary":"AtomicBucket<T> unconditionally implements Send/Sync","modified":"2023-11-08T04:07:22.868706Z","packages":[{"ecosystem":"crates.io","name":"metrics-util","purl":"pkg:cargo/metrics-util","ranges":["<0.7.0"],"fixed":["0.7.0"]}]},{"id":"GHSA-cwvc-87xq-pc5m","url":"https://osv.dev/vulnerability/GHSA-cwvc-87xq-pc5m","summary":"Out-of-bounds Write and Race Condition in metrics-util","modified":"2023-11-08T04:07:22.868706Z","packages":[{"ecosystem":"crates.io","name":"metrics-util","purl":"pkg:cargo/metrics-util","ranges":["<0.7.0"],"fixed":["0.7.0"]}]},{"id":"RUSTSEC-2021-0113","url":"https://osv.dev/vulnerability/RUSTSEC-2021-0113","summary":"AtomicBucket<T> unconditionally implements Send/Sync","modified":"2023-11-08T04:07:22.868706Z","packages":[{"ecosystem":"crates.io","name":"metrics-util","purl":"pkg:cargo/metrics-util","ranges":[">=0.0.0-0 <0.7.0"],"fixed":["0.7.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}