{"id":"CVE-2017-18588","aliases":["GHSA-jqqr-c2r2-9cvr","RUSTSEC-2017-0003"],"url":"https://o3.security/vulnerability/CVE-2017-18588","summary":"Improper Certificate Validation in security-framework","details":"An issue was discovered in the security-framework crate before 0.1.12 for Rust. Hostname verification for certificates does not occur if ClientBuilder uses custom root certificates.","published":"2019-08-26T18:15:11.217Z","modified":"2026-07-08T11:35:45.290930Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},"epss":{"score":0.00715,"percentile":0.50624,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"crates.io","name":"security-framework","fixedVersion":"0.1.12"}],"fix":null,"references":[{"type":"FIX","url":"https://rustsec.org/advisories/RUSTSEC-2017-0003.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T11:35:45.290930Z"}}