{"cve":"CVE-1999-1465","nvd":{"published":"1999-12-31T05:00:00.000","modified":"2026-06-16T21:50:29.897","status":"Modified","description":"Vulnerability in Cisco IOS 11.1 through 11.3 with distributed fast switching (DFS) enabled allows remote attackers to bypass certain access control lists when the router switches traffic from a DFS-enabled input interface to an output interface with a logical subinterface, as described by Cisco bug CSCdk43862.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://ciac.llnl.gov/ciac/bulletins/j-016.shtml","http://www.cisco.com/warp/public/770/iosdfsacl-pub.shtml","https://exchange.xforce.ibmcloud.com/vulnerabilities/1401","http://ciac.llnl.gov/ciac/bulletins/j-016.shtml","http://www.cisco.com/warp/public/770/iosdfsacl-pub.shtml"],"products":["cisco:ios"],"source":"nvd","synced_at":"2026-10-19T19:33:01.030757803+00:00"},"epss":{"cve":"CVE-1999-1465","score":0.01626,"percentile":0.76158,"date":"2026-11-01"},"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."]}