{"cve":"CVE-2000-0553","nvd":{"published":"2000-05-26T04:00:00.000","modified":"2026-06-16T21:51:59.123","status":"Modified","description":"Race condition in IPFilter firewall 3.4.3 and earlier, when configured with overlapping \"return-rst\" and \"keep state\" rules, allows remote attackers to bypass access restrictions.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://archives.neohapsis.com/archives/bugtraq/2000-05/0326.html","http://www.osvdb.org/1377","http://www.securityfocus.com/bid/1308","https://exchange.xforce.ibmcloud.com/vulnerabilities/4994","http://archives.neohapsis.com/archives/bugtraq/2000-05/0326.html"],"products":["darren_reed:ipfilter"],"source":"nvd","synced_at":"2026-10-19T19:33:01.030757803+00:00"},"epss":{"cve":"CVE-2000-0553","score":0.01411,"percentile":0.72686,"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."]}