{"id":"CVE-2000-1022","aliases":["EUVD-2000-1009","GHSA-gv87-wvw4-8qwm"],"status":"published","title":"The mailguard feature in Cisco Secure PIX Firewall 5.2(2) and earlier does not properly restrict...","description":"The mailguard feature in Cisco Secure PIX Firewall 5.2(2) and earlier does not properly restrict access to SMTP commands, which allows remote attackers to execute restricted commands by sending a DATA command before sending the restricted commands.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.07102,"percentile":0.94278,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2000-12-11T05:00:00Z","modified":"2026-06-16T21:52:59Z","exploits":[{"source":"exploitdb","id":"EDB-20231","title":"Cisco PIX Firewall 4.x/5.x - SMTP Content Filtering Evasion","type":"remote","platform":"hardware","date":"2000-09-19","verified":true,"url":"https://www.exploit-db.com/exploits/20231"}],"products":[{"vendor":"cisco","product":"pix_firewall_software"}],"references":[{"url":"http://www.securityfocus.com/bid/1698","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/5277","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.cisco.com/warp/public/707/PIXfirewallSMTPfilter-pub.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"]},{"url":"http://archives.neohapsis.com/archives/bugtraq/2000-09/0241.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://archives.neohapsis.com/archives/bugtraq/2000-09/0222.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2000-1022"},{"url":"https://github.com/advisories/GHSA-gv87-wvw4-8qwm"}],"sources":{"cve":[{"id":"CVE-2000-1022","description":"The mailguard feature in Cisco Secure PIX Firewall 5.2(2) and earlier does not properly restrict access to SMTP commands, which allows remote attackers to execute restricted commands by sending a DATA command before sending the restricted commands.","status":"published","published":"2001-01-22T05:00:00Z","modified":"2024-08-08T05:37:32.356Z","updated_at":"2026-11-02T14:33:40.909668Z"}],"euvd":[{"id":"EUVD-2000-1009","description":"The mailguard feature in Cisco Secure PIX Firewall 5.2(2) and earlier does not properly restrict access to SMTP commands, which allows remote attackers to execute restricted commands by sending a DATA command before sending the restricted commands.","status":"published","published":"2001-01-22T05:00:00Z","modified":"2024-08-08T05:37:32Z","updated_at":"2026-11-03T00:56:22.927724Z"}],"ghsa":[{"id":"GHSA-gv87-wvw4-8qwm","title":"The mailguard feature in Cisco Secure PIX Firewall 5.2(2) and earlier does not properly restrict...","description":"The mailguard feature in Cisco Secure PIX Firewall 5.2(2) and earlier does not properly restrict access to SMTP commands, which allows remote attackers to execute restricted commands by sending a DATA command before sending the restricted commands.","status":"published","published":"2022-04-30T18:14:45Z","modified":"2023-01-30T05:04:45Z","updated_at":"2026-11-02T14:47:07.288055Z"}],"nvd":[{"id":"CVE-2000-1022","description":"The mailguard feature in Cisco Secure PIX Firewall 5.2(2) and earlier does not properly restrict access to SMTP commands, which allows remote attackers to execute restricted commands by sending a DATA command before sending the restricted commands.","status":"published","published":"2000-12-11T05:00:00Z","modified":"2026-06-16T21:52:59.423Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T13:59:02.365657Z"}]}}