{"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":"If custom root certificates were registered with a ClientBuilder, the hostname of the target server would not be validated against its presented leaf certificate. This issue was fixed by properly configuring the trust evaluation logic to perform that check.","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":0.00654,"percentile":0.49713,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"crates.io","name":"security-framework","fixedVersion":"0.1.12"}],"fix":{"url":"https://github.com/sfackler/rust-security-framework/pull/27","label":"sfackler/rust-security-framework#27"},"references":[{"type":"FIX","url":"https://rustsec.org/advisories/RUSTSEC-2017-0003.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-18588"},{"type":"WEB","url":"https://github.com/sfackler/rust-security-framework/pull/27"},{"type":"PACKAGE","url":"https://github.com/sfackler/rust-security-framework"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T11:35:45.290930Z"}}