{"id":"CVE-2001-0428","aliases":["EUVD-2001-0425","GHSA-7rhx-wr6q-grrc"],"status":"published","title":"Cisco VPN 3000 series concentrators before 2.5.2(F) allow remote attackers to cause a denial of...","description":"Cisco VPN 3000 series concentrators before 2.5.2(F) allow remote attackers to cause a denial of service via an IP packet with an invalid IP option.","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":0.01675,"percentile":0.7702,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2001-07-02T04:00:00Z","modified":"2026-06-16T21:54:17Z","products":[{"vendor":"cisco","product":"vpn_3000_concentrator_series_software"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/6360","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.osvdb.org/1786","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.cisco.com/warp/public/707/vpn3k-ipoptions-vuln-pub.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/2573","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2001-0428"},{"url":"https://github.com/advisories/GHSA-7rhx-wr6q-grrc"}],"sources":{"cve":[{"id":"CVE-2001-0428","description":"Cisco VPN 3000 series concentrators before 2.5.2(F) allow remote attackers to cause a denial of service via an IP packet with an invalid IP option.","status":"published","published":"2001-09-18T04:00:00Z","modified":"2024-08-08T04:21:38.265Z","updated_at":"2026-11-02T14:34:43.032065Z"}],"euvd":[{"id":"EUVD-2001-0425","description":"Cisco VPN 3000 series concentrators before 2.5.2(F) allow remote attackers to cause a denial of service via an IP packet with an invalid IP option.","status":"published","published":"2001-09-18T04:00:00Z","modified":"2024-08-08T04:21:38Z","updated_at":"2026-11-03T01:14:51.569576Z"}],"ghsa":[{"id":"GHSA-7rhx-wr6q-grrc","title":"Cisco VPN 3000 series concentrators before 2.5.2(F) allow remote attackers to cause a denial of...","description":"Cisco VPN 3000 series concentrators before 2.5.2(F) allow remote attackers to cause a denial of service via an IP packet with an invalid IP option.","status":"published","published":"2022-04-30T18:16:02Z","modified":"2023-01-30T05:05:26Z","updated_at":"2026-11-02T14:47:16.342596Z"}],"nvd":[{"id":"CVE-2001-0428","description":"Cisco VPN 3000 series concentrators before 2.5.2(F) allow remote attackers to cause a denial of service via an IP packet with an invalid IP option.","status":"published","published":"2001-07-02T04:00:00Z","modified":"2026-06-16T21:54:17.47Z","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":"2026-11-02T14:00:40.041412Z"}]}}