{"id":"CVE-2000-0809","aliases":["EUVD-2000-0803","GHSA-87wr-9qwg-43mr"],"status":"published","title":"Buffer overflow in Getkey in the protocol checker in the inter-module communication mechanism in...","description":"Buffer overflow in Getkey in the protocol checker in the inter-module communication mechanism in Check Point VPN-1/FireWall-1 4.1 and earlier allows remote attackers to cause a denial of service.","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":"2026-11-04","score":0.0186,"percentile":0.79302,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2000-11-14T05:00:00Z","modified":"2026-06-16T21:52:31.557Z","products":[{"vendor":"checkpoint","product":"firewall-1"}],"references":[{"url":"http://www.osvdb.org/4422","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.checkpoint.com/techsupport/alerts/list_vun.html#Getkey_Buffer","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/5139","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2000-0809"},{"url":"https://github.com/advisories/GHSA-87wr-9qwg-43mr"}],"sources":{"cve":[{"id":"CVE-2000-0809","description":"Buffer overflow in Getkey in the protocol checker in the inter-module communication mechanism in Check Point VPN-1/FireWall-1 4.1 and earlier allows remote attackers to cause a denial of service.","status":"published","published":"2001-01-22T05:00:00Z","modified":"2024-08-08T05:28:41.617Z","references":[{"url":"http://www.osvdb.org/4422","tags":["vdb-entry","x_refsource_OSVDB"]},{"url":"http://www.checkpoint.com/techsupport/alerts/list_vun.html#Getkey_Buffer","tags":["x_refsource_CONFIRM"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/5139","tags":["vdb-entry","x_refsource_XF"]},{"url":"http://www.osvdb.org/4422","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.checkpoint.com/techsupport/alerts/list_vun.html#Getkey_Buffer","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/5139","tags":["vdb-entry","x_refsource_XF","x_transferred"]}],"updated_at":"2026-11-02T14:33:41.23606Z"}],"euvd":[{"id":"EUVD-2000-0803","description":"Buffer overflow in Getkey in the protocol checker in the inter-module communication mechanism in Check Point VPN-1/FireWall-1 4.1 and earlier allows remote attackers to cause a denial of service.","status":"published","published":"2001-01-22T05:00:00Z","modified":"2024-08-08T05:28:41Z","references":[{"url":"http://www.osvdb.org/4422"},{"url":"http://www.checkpoint.com/techsupport/alerts/list_vun.html#Getkey_Buffer"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/5139"}],"updated_at":"2026-11-03T00:56:23.73011Z"}],"ghsa":[{"id":"GHSA-87wr-9qwg-43mr","title":"Buffer overflow in Getkey in the protocol checker in the inter-module communication mechanism in...","description":"Buffer overflow in Getkey in the protocol checker in the inter-module communication mechanism in Check Point VPN-1/FireWall-1 4.1 and earlier allows remote attackers to cause a denial of service.","status":"published","published":"2022-04-30T18:14:22Z","modified":"2023-01-30T05:04:55Z","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2000-0809"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/5139"},{"url":"http://www.checkpoint.com/techsupport/alerts/list_vun.html#Getkey_Buffer"},{"url":"http://www.osvdb.org/4422"},{"url":"https://github.com/advisories/GHSA-87wr-9qwg-43mr"}],"updated_at":"2026-11-02T14:47:09.187677Z"}],"nvd":[{"id":"CVE-2000-0809","description":"Buffer overflow in Getkey in the protocol checker in the inter-module communication mechanism in Check Point VPN-1/FireWall-1 4.1 and earlier allows remote attackers to cause a denial of service.","status":"published","published":"2000-11-14T05:00:00Z","modified":"2026-06-16T21:52:31.557Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"references":[{"url":"http://www.checkpoint.com/techsupport/alerts/list_vun.html#Getkey_Buffer"},{"url":"http://www.osvdb.org/4422"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/5139"},{"url":"http://www.checkpoint.com/techsupport/alerts/list_vun.html#Getkey_Buffer"},{"url":"http://www.osvdb.org/4422"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/5139"}],"products":[{"vendor":"checkpoint","product":"firewall-1"}],"updated_at":"2026-11-02T13:59:02.365657Z"}]}}