{"id":"CVE-2015-2323","aliases":["EUVD-2015-2416","GHSA-828v-j88x-385j"],"status":"published","title":"FortiOS 5.0.x before 5.0.12 and 5.2.x before 5.2.4 supports anonymous, export, RC4, and possibly...","description":"FortiOS 5.0.x before 5.0.12 and 5.2.x before 5.2.4 supports anonymous, export, RC4, and possibly other weak ciphers when using TLS to connect to FortiGuard servers, which allows man-in-the-middle attackers to spoof TLS content by modifying packets.","severity":{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01454,"percentile":0.73618,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-310"],"published":"2015-08-11T14:00:00Z","modified":"2026-06-17T00:23:55Z","products":[{"vendor":"fortinet","product":"fortios"}],"references":[{"url":"http://www.fortiguard.com/advisory/FG-IR-15-021/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1033092","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://fortiguard.com/advisory/2015-07-24-weak-ciphers-suites-are-presented-towards-fortiguard-servers","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-2323"},{"url":"http://www.fortiguard.com/advisory/FG-IR-15-021"},{"url":"https://github.com/advisories/GHSA-828v-j88x-385j"}],"sources":{"cve":[{"id":"CVE-2015-2323","description":"FortiOS 5.0.x before 5.0.12 and 5.2.x before 5.2.4 supports anonymous, export, RC4, and possibly other weak ciphers when using TLS to connect to FortiGuard servers, which allows man-in-the-middle attackers to spoof TLS content by modifying packets.","status":"published","published":"2015-08-11T14:00:00Z","modified":"2024-08-06T05:10:16.146Z","updated_at":"2026-11-02T14:35:41.976732Z"}],"euvd":[{"id":"EUVD-2015-2416","description":"FortiOS 5.0.x before 5.0.12 and 5.2.x before 5.2.4 supports anonymous, export, RC4, and possibly other weak ciphers when using TLS to connect to FortiGuard servers, which allows man-in-the-middle attackers to spoof TLS content by modifying packets.","status":"published","published":"2015-08-11T14:00:00Z","modified":"2024-08-06T05:10:16Z","updated_at":"2026-11-03T02:22:12.40366Z"}],"ghsa":[{"id":"GHSA-828v-j88x-385j","title":"FortiOS 5.0.x before 5.0.12 and 5.2.x before 5.2.4 supports anonymous, export, RC4, and possibly...","description":"FortiOS 5.0.x before 5.0.12 and 5.2.x before 5.2.4 supports anonymous, export, RC4, and possibly other weak ciphers when using TLS to connect to FortiGuard servers, which allows man-in-the-middle attackers to spoof TLS content by modifying packets.","status":"published","published":"2022-05-17T03:33:57Z","modified":"2025-04-12T12:50:36Z","updated_at":"2026-11-02T15:01:22.814855Z"}],"nvd":[{"id":"CVE-2015-2323","description":"FortiOS 5.0.x before 5.0.12 and 5.2.x before 5.2.4 supports anonymous, export, RC4, and possibly other weak ciphers when using TLS to connect to FortiGuard servers, which allows man-in-the-middle attackers to spoof TLS content by modifying packets.","status":"published","published":"2015-08-11T14:59:01.807Z","modified":"2026-06-17T00:23:55.433Z","cvss":[{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-310"],"updated_at":"2026-11-02T14:03:07.96297Z"}]}}