{"id":"CVE-2020-28247","aliases":["GHSA-vc2p-r46x-m3vx","RUSTSEC-2020-0069"],"url":"https://o3.security/vulnerability/CVE-2020-28247","summary":"Argument injection in lettre","details":"The lettre library through 0.10.0-alpha for Rust allows arbitrary sendmail option injection via transport/sendmail/mod.rs.","published":"2020-11-12T18:15:15.737Z","modified":"2026-08-07T11:31:04.580151696Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"crates.io","name":"lettre","fixedVersion":"0.9.5"},{"ecosystem":"crates.io","name":"lettre","fixedVersion":"0.8.4"},{"ecosystem":"crates.io","name":"lettre","fixedVersion":"0.7.1"}],"fix":{"url":"https://github.com/RustSec/advisory-db/pull/478/files","label":"RustSec/advisory-db#478"},"references":[{"type":"ADVISORY","url":"https://rustsec.org/advisories/RUSTSEC-2020-0069.html"},{"type":"FIX","url":"https://github.com/RustSec/advisory-db/pull/478/files"},{"type":"PACKAGE","url":"https://github.com/lettre/lettre"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:31:04.580151696Z"}}