{"cve":"CVE-1999-1466","nvd":{"published":"1992-12-10T05:00:00.000","modified":"2026-06-16T21:50:30.017","status":"Modified","description":"Vulnerability in Cisco routers versions 8.2 through 9.1 allows remote attackers to bypass access control lists when extended IP access lists are used on certain interfaces, the IP route cache is enabled, and the access list uses the \"established\" keyword.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://www.cert.org/advisories/CA-1992-20.html","http://www.securityfocus.com/bid/53","http://www.cert.org/advisories/CA-1992-20.html","http://www.securityfocus.com/bid/53"],"products":["cisco:ios"],"source":"nvd","synced_at":"2026-10-19T19:33:01.030757803+00:00"},"epss":{"cve":"CVE-1999-1466","score":0.02319,"percentile":0.8345,"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."]}