{"cve":"CVE-2013-4669","nvd":{"published":"2013-06-25T14:38:18.287","modified":"2026-06-16T23:57:41.523","status":"Modified","description":"FortiClient before 4.3.5.472 on Windows, before 4.0.3.134 on Mac OS X, and before 4.0 on Android; FortiClient Lite before 4.3.4.461 on Windows; FortiClient Lite 2.0 through 2.0.0223 on Android; and FortiClient SSL VPN before 4.0.2258 on Linux proceed with an SSL session after determining that the server's X.509 certificate is invalid, which allows man-in-the-middle attackers to obtain sensitive information by leveraging a password transmission that occurs before the user warning about the certificate problem.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-255","CWE-310"],"references":["http://archives.neohapsis.com/archives/fulldisclosure/2013-05/0001.html","http://objectif-securite.ch/forticlient_bulletin.php","http://www.fortiguard.com/advisory/Potential-Man-In-The-Middle-Vulnerability-in-FortiClient-VPN/","http://www.securityfocus.com/bid/59604","http://archives.neohapsis.com/archives/fulldisclosure/2013-05/0001.html"],"products":["fortinet:forticlient","fortinet:forticlient_lite","fortinet:forticlient_ssl_vpn"],"source":"nvd","synced_at":"2026-10-19T20:29:16.037019470+00:00"},"epss":{"cve":"CVE-2013-4669","score":0.00868,"percentile":0.58749,"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."]}