{"api_version":"1","generated_at":"2026-07-23T11:00:50+00:00","cve":"CVE-2020-35918","urls":{"html":"https://cve.report/CVE-2020-35918","api":"https://cve.report/api/cve/CVE-2020-35918.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-35918","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-35918"},"summary":{"title":"CVE-2020-35918","description":"An issue was discovered in the branca crate before 0.10.0 for Rust. Decoding tokens (with invalid base62 data) can panic.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2020-12-31 09:15:00","updated_at":"2022-09-02 15:44:00"},"problem_types":["NVD-CWE-noinfo"],"metrics":[],"references":[{"url":"https://rustsec.org/advisories/RUSTSEC-2020-0075.html","name":"https://rustsec.org/advisories/RUSTSEC-2020-0075.html","refsource":"MISC","tags":["Exploit","Third Party Advisory"],"title":"RUSTSEC-2020-0075: branca: Unexpected panic when decoding tokens › RustSec Advisory Database","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/return/branca/issues/24","name":"https://github.com/return/branca/issues/24","refsource":"MISC","tags":[],"title":"Security issue: Panic on invalid base62-encoded tokens · Issue #24 · return/branca · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/tuupola/branca-spec/issues/22","name":"https://github.com/tuupola/branca-spec/issues/22","refsource":"MISC","tags":["Third Party Advisory"],"title":"Base62 is actually Base61 · Issue #22 · tuupola/branca-spec · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-35918","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-35918","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"35918","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"hakobaito","cpe5":"branca","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"rust","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"35918","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"hakobaito","cpe5":"branca","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"rust","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2020-35918","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An issue was discovered in the branca crate before 0.10.0 for Rust. Decoding tokens (with invalid base62 data) can panic."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://rustsec.org/advisories/RUSTSEC-2020-0075.html","refsource":"MISC","name":"https://rustsec.org/advisories/RUSTSEC-2020-0075.html"},{"url":"https://github.com/tuupola/branca-spec/issues/22","refsource":"MISC","name":"https://github.com/tuupola/branca-spec/issues/22"},{"refsource":"MISC","name":"https://github.com/return/branca/issues/24","url":"https://github.com/return/branca/issues/24"}]}},"nvd":{"publishedDate":"2020-12-31 09:15:00","lastModifiedDate":"2022-09-02 15:44:00","problem_types":["NVD-CWE-noinfo"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":1.8,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:N/I:N/A:C","accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE","baseScore":4.9},"severity":"MEDIUM","exploitabilityScore":3.9,"impactScore":6.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:hakobaito:branca:*:*:*:*:*:rust:*:*","versionEndExcluding":"0.10.0","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"35918","Ordinal":"195922","Title":"CVE-2020-35918","CVE":"CVE-2020-35918","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"35918","Ordinal":"1","NoteData":"An issue was discovered in the branca crate before 0.10.0 for Rust. Decoding tokens (with invalid base62 data) can panic.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"35918","Ordinal":"2","NoteData":"2020-12-31","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"35918","Ordinal":"3","NoteData":"2021-01-14","Type":"Other","Title":"Modified"}]}}}