{"cve":"CVE-2016-4467","nvd":{"published":"2017-05-02T14:59:00.377","modified":"2026-06-17T00:47:36.693","status":"Modified","description":"The C client and C-based client bindings in the Apache Qpid Proton library before 0.13.1 on Windows do not properly verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate when using the SChannel-based security layer, which allows man-in-the-middle attackers to spoof servers via an arbitrary valid certificate.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","score":5.9},"cwes":["CWE-295"],"references":["http://www.openwall.com/lists/oss-security/2016/07/15/3","http://www.securityfocus.com/bid/91788","http://www.securitytracker.com/id/1036316","https://lists.apache.org/thread.html/914424e4d798a340f523b6169aaf39b626971d9bb00fcdeb1d5d6c0d%40%3Ccommits.qpid.apache.org%3E","http://www.openwall.com/lists/oss-security/2016/07/15/3"],"products":["apache:qpid_proton"],"source":"nvd","synced_at":"2026-10-19T20:42:28.077359912+00:00"},"epss":{"cve":"CVE-2016-4467","score":0.01624,"percentile":0.76131,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}