{"cve":"CVE-2000-1022","nvd":{"published":"2000-12-11T05:00:00.000","modified":"2026-06-16T21:52:59.423","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://archives.neohapsis.com/archives/bugtraq/2000-09/0222.html","http://archives.neohapsis.com/archives/bugtraq/2000-09/0241.html","http://www.cisco.com/warp/public/707/PIXfirewallSMTPfilter-pub.shtml","http://www.securityfocus.com/bid/1698","https://exchange.xforce.ibmcloud.com/vulnerabilities/5277"],"products":["cisco:pix_firewall_software"],"source":"nvd","synced_at":"2026-10-19T19:33:02.361923049+00:00"},"epss":{"cve":"CVE-2000-1022","score":0.07102,"percentile":0.94237,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}