{"id":"CVE-2002-0601","aliases":["EUVD-2002-0596","GHSA-x3fp-m9g3-q55q"],"status":"published","title":"ISS RealSecure Network Sensor 5.x through 6.5 allows remote attackers to cause a denial of...","description":"ISS RealSecure Network Sensor 5.x through 6.5 allows remote attackers to cause a denial of service (crash) via malformed DHCP packets that cause RealSecure to dereference a null pointer.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02468,"percentile":0.84605,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2002-06-18T04:00:00Z","modified":"2026-06-16T21:57:45Z","products":[{"vendor":"information_security_systems","product":"realsecure_network_sensor"}],"references":[{"url":"http://www.osvdb.org/5165","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.iss.net/security_center/alerts/advise116.php","tags":["third-party-advisory","x_refsource_ISS","x_transferred","Vendor Advisory"]},{"url":"http://www.iss.net/security_center/static/8961.php","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://archives.neohapsis.com/archives/bugtraq/2002-04/0420.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/4649","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-0601"},{"url":"https://github.com/advisories/GHSA-x3fp-m9g3-q55q"}],"sources":{"cve":[{"id":"CVE-2002-0601","description":"ISS RealSecure Network Sensor 5.x through 6.5 allows remote attackers to cause a denial of service (crash) via malformed DHCP packets that cause RealSecure to dereference a null pointer.","status":"published","published":"2003-04-02T05:00:00Z","modified":"2024-08-08T02:56:38.431Z","updated_at":"2026-11-02T14:33:55.642267Z"}],"euvd":[{"id":"EUVD-2002-0596","description":"ISS RealSecure Network Sensor 5.x through 6.5 allows remote attackers to cause a denial of service (crash) via malformed DHCP packets that cause RealSecure to dereference a null pointer.","status":"published","published":"2003-04-02T05:00:00Z","modified":"2024-08-08T02:56:38Z","updated_at":"2026-11-03T01:15:00.061756Z"}],"ghsa":[{"id":"GHSA-x3fp-m9g3-q55q","title":"ISS RealSecure Network Sensor 5.x through 6.5 allows remote attackers to cause a denial of...","description":"ISS RealSecure Network Sensor 5.x through 6.5 allows remote attackers to cause a denial of service (crash) via malformed DHCP packets that cause RealSecure to dereference a null pointer.","status":"published","published":"2022-04-30T18:19:33Z","modified":"2023-01-30T05:06:11Z","updated_at":"2026-11-02T14:47:26.333114Z"}],"nvd":[{"id":"CVE-2002-0601","description":"ISS RealSecure Network Sensor 5.x through 6.5 allows remote attackers to cause a denial of service (crash) via malformed DHCP packets that cause RealSecure to dereference a null pointer.","status":"published","published":"2002-06-18T04:00:00Z","modified":"2026-06-16T21:57:45.333Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:42.220505Z"}]}}