{"cve":"CVE-1999-1175","nvd":{"published":"1999-12-31T05:00:00.000","modified":"2026-06-16T21:49:52.753","status":"Modified","description":"Web Cache Control Protocol (WCCP) in Cisco Cache Engine for Cisco IOS 11.2 and earlier does not use authentication, which allows remote attackers to redirect HTTP traffic to arbitrary hosts via WCCP packets to UDP port 2048.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://www.ciac.org/ciac/bulletins/i-054.shtml","http://www.cisco.com/warp/public/770/wccpauth-pub.shtml","https://exchange.xforce.ibmcloud.com/vulnerabilities/1577","http://www.ciac.org/ciac/bulletins/i-054.shtml","http://www.cisco.com/warp/public/770/wccpauth-pub.shtml"],"products":["cisco:ios"],"source":"nvd","synced_at":"2026-10-19T19:33:01.030757803+00:00"},"epss":{"cve":"CVE-1999-1175","score":0.01678,"percentile":0.76909,"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."]}