{"cve":"CVE-2015-3644","nvd":{"published":"2015-05-14T00:59:06.147","modified":"2026-06-17T00:26:02.117","status":"Modified","description":"Stunnel 5.00 through 5.13, when using the redirect option, does not redirect client connections to the expected server after the initial connection, which allows remote attackers to bypass authentication.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-284"],"references":["http://www.debian.org/security/2015/dsa-3299","http://www.securityfocus.com/bid/74659","http://www.securitytracker.com/id/1032324","https://www.stunnel.org/CVE-2015-3644.html","http://www.debian.org/security/2015/dsa-3299"],"products":["stunnel:stunnel"],"source":"nvd","synced_at":"2026-10-19T20:36:40.444340523+00:00"},"epss":{"cve":"CVE-2015-3644","score":0.0212,"percentile":0.81877,"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."]}