{"schemaVersion":3,"id":"CVE-2020-35908","aliases":["GHSA-5r9g-j7jj-hw6c","RUSTSEC-2020-0062"],"status":"published","duplicateOf":null,"title":null,"description":"An issue was discovered in the futures-util crate before 0.3.2 for Rust. FuturesUnordered can lead to data corruption because Sync is mishandled.","dates":{"published":"2020-12-31T08:20:46.000Z","modified":"2024-08-04T17:16:13.153Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.5,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"OSV · Crates.io","score":5.5,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","exploitability":4.6,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":5.5,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":2.1,"severity":"low","vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00341,"percentile":0.26098,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0.006999999999999975,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00334},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00334,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00334,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00334,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00334,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00334,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00334,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00334,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00334,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00334,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00334,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00334,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00338,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00338,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00338,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00338,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00341,"percentile":0.26098}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00334,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00334,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00334,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00334,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00334,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00338,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00338,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00338,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00338,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00341,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00341,"percentile":0.26098}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"Crates.Io","product":"futures-util","name":"futures-util","label":"futures-util","ecosystem":"Crates.Io","cpePart":null,"purl":"pkg:cargo/futures-util","purlType":"cargo","versions":[{"text":"≥ 0.3.0, < 0.3.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 0.3.0, < 0.3.2","eol":null,"hubHref":null},{"vendor":"rust-lang","product":"future-utils","name":"future-utils","label":"future-utils","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 0.3.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.3.2","eol":null,"hubHref":"/vendor/rust-lang/future-utils"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://rustsec.org/advisories/RUSTSEC-2020-0062.html","label":"rustsec.org/advisories/RUSTSEC-2020-0062.html","hostname":"rustsec.org","tags":["X Refsource MISC","WEB","Advisory","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-35908","label":"nvd.nist.gov/vuln/detail/CVE-2020-35908","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://github.com/rust-lang/futures-rs/issues/2050","label":"github.com/rust-lang/futures-rs/issues/2050","hostname":"github.com","tags":["WEB","REPORT"]},{"url":"https://github.com/rust-lang/futures-rs","label":"github.com/rust-lang/futures-rs","hostname":"github.com","tags":["PACKAGE"]},{"url":"https://crates.io/crates/futures-util","label":"crates.io/crates/futures-util","hostname":"crates.io","tags":["PACKAGE"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2020-12-31T08:20:46.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T17:16:13.153Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":22,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T11:16:50.340Z","stale":false,"partial":false}}