{"cve":"CVE-2021-45695","nvd":{"published":"2021-12-27T00:15:09.460","modified":"2026-06-17T04:13:57.867","status":"Modified","description":"An issue was discovered in the mopa crate through 2021-06-01 for Rust. It incorrectly relies on Trait memory layout, possibly leading to future occurrences of arbitrary code execution or ASLR bypass.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":[],"references":["https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/mopa/RUSTSEC-2021-0095.md","https://rustsec.org/advisories/RUSTSEC-2021-0095.html","https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/mopa/RUSTSEC-2021-0095.md","https://rustsec.org/advisories/RUSTSEC-2021-0095.html"],"products":["mopa_project:mopa"],"source":"nvd","synced_at":"2026-10-19T21:26:33.761856376+00:00"},"epss":{"cve":"CVE-2021-45695","score":0.01701,"percentile":0.77223,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-2gxj-qrp2-53jv","url":"https://osv.dev/vulnerability/GHSA-2gxj-qrp2-53jv","summary":"Incorrect reliance on Trait memory layout in mopa","modified":"2023-11-08T04:07:22.377459Z","packages":[{"ecosystem":"crates.io","name":"mopa","purl":"pkg:cargo/mopa","ranges":["<=0.2.2"],"fixed":[]}]},{"id":"GHSA-8mv5-7x95-7wcf","url":"https://osv.dev/vulnerability/GHSA-8mv5-7x95-7wcf","summary":"`mopa` is technically unsound","modified":"2023-11-08T04:07:22.377459Z","packages":[{"ecosystem":"crates.io","name":"mopa","purl":"pkg:cargo/mopa","ranges":["<=0.2.2"],"fixed":[]}]},{"id":"RUSTSEC-2021-0095","url":"https://osv.dev/vulnerability/RUSTSEC-2021-0095","summary":"`mopa` is technically unsound","modified":"2023-11-08T04:07:22.377459Z","packages":[{"ecosystem":"crates.io","name":"mopa","purl":"pkg:cargo/mopa","ranges":[">=0.0.0-0"],"fixed":[]}]}],"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."]}