{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:*:*:*", "matchCriteriaId": "7E42D7DC-17D9-49A1-BE1B-73932DADD51D", "versionEndIncluding": "4.3.3.445", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:*", "matchCriteriaId": "2CF61F35-5905-4BA9-AD7E-7DB261D2F256", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:fortinet:forticlient_lite:*:*:*:*:*:*:*:*", "matchCriteriaId": "0117AD2E-58B9-4B5B-9E46-B640356F0F91", "versionEndIncluding": "4.3.3.445", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:*", "matchCriteriaId": "2CF61F35-5905-4BA9-AD7E-7DB261D2F256", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:fortinet:forticlient_ssl_vpn:*:*:*:*:*:*:*:*", "matchCriteriaId": "5D22EC56-5BB2-455B-8802-AB9B36D4775B", "versionEndIncluding": "4.0.2012", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "155AD4FB-E527-4103-BCEF-801B653DEA37", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:*:*:*", "matchCriteriaId": "A757CA5F-9298-40AC-B3CC-5AF87AEB1251", "versionEndIncluding": "4.0.2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*", "matchCriteriaId": "0FF5999A-9D12-4CDD-8DE9-A89C10B2D574", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:fortinet:forticlient_lite:*:*:*:*:*:*:*:*", "matchCriteriaId": "737EF1C7-2E41-47D2-BFC6-CF353437A080", "versionEndIncluding": "2.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:google:android:*:*:*:*:*:*:*:*", "matchCriteriaId": "8255F035-04C8-4158-B301-82101711939C", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "FortiClient antes de v4.3.5.472 en Windows, antes v4.0.3.134 en Mac OS X, y antes en Android v4.0, FortiClient Lite antes de v4.3.4.461 para Windows, FortiClient Lite v2.0 hasta v2.0.0223 en Android, y FortiClient SSL VPN antes de v4.0.2258 en Linux continua con una sesi\u00f3n de SSL despu\u00e9s de determinar que el certificado X.509 del servidor no es v\u00e1lido, lo que permite a atacantes man-in-the-middle obtener informaci\u00f3n sensible mediante el aprovechamiento de una transmisi\u00f3n con contrase\u00f1a que se produce antes de la advertencia usuario sobre el problema de certificado."}], "id": "CVE-2013-4669", "lastModified": "2026-06-16T23:57:41.523", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "HIGH", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.4, "confidentialityImpact": "COMPLETE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:H/Au:N/C:C/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 4.9, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2013-06-25T14:38:18.287", "references": [{"source": "cve@mitre.org", "url": "http://archives.neohapsis.com/archives/fulldisclosure/2013-05/0001.html"}, {"source": "cve@mitre.org", "url": "http://objectif-securite.ch/forticlient_bulletin.php"}, {"source": "cve@mitre.org", "url": "http://www.fortiguard.com/advisory/Potential-Man-In-The-Middle-Vulnerability-in-FortiClient-VPN/"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/59604"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://archives.neohapsis.com/archives/fulldisclosure/2013-05/0001.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://objectif-securite.ch/forticlient_bulletin.php"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.fortiguard.com/advisory/Potential-Man-In-The-Middle-Vulnerability-in-FortiClient-VPN/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/59604"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-255"}, {"lang": "en", "value": "CWE-310"}], "source": "nvd@nist.gov", "type": "Primary"}]}