{"cve":"CVE-2020-35898","nvd":{"published":"2020-12-31T09:15:14.647","modified":"2026-06-17T03:14:33.767","status":"Modified","description":"An issue was discovered in the actix-utils crate before 2.0.0 for Rust. The Cell implementation allows obtaining more than one mutable reference to the same data.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","score":9.1},"cwes":["CWE-416"],"references":["https://rustsec.org/advisories/RUSTSEC-2020-0045.html","https://rustsec.org/advisories/RUSTSEC-2020-0045.html"],"products":["actix:actix-utils"],"source":"nvd","synced_at":"2026-10-19T21:12:09.559580076+00:00"},"epss":{"cve":"CVE-2020-35898","score":0.01428,"percentile":0.72985,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-hhw2-pqhf-vmx2","url":"https://osv.dev/vulnerability/GHSA-hhw2-pqhf-vmx2","summary":"Use after free in actix-utils","modified":"2025-05-23T18:29:56Z","packages":[{"ecosystem":"crates.io","name":"actix-utils","purl":"pkg:cargo/actix-utils","ranges":["<2.0.0"],"fixed":["2.0.0"]}]},{"id":"RUSTSEC-2020-0045","url":"https://osv.dev/vulnerability/RUSTSEC-2020-0045","summary":"bespoke Cell implementation allows obtaining several mutable references to the same data","modified":"2023-11-08T04:03:38.175676Z","packages":[{"ecosystem":"crates.io","name":"actix-utils","purl":"pkg:cargo/actix-utils","ranges":[">=0.0.0-0 <2.0.0"],"fixed":["2.0.0"]}]}],"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."]}