{"cve":"CVE-2006-4194","nvd":{"published":"2006-08-17T01:04:00.000","modified":"2026-06-16T22:28:35.353","status":"Modified","description":"Unspecified vulnerability in Cisco PIX 500 Series Security Appliances allows remote attackers to send arbitrary UDP packets to intranet devices via unspecified vectors involving Session Initiation Protocol (SIP) fixup commands, a different issue than CVE-2006-4032.  NOTE: the vendor, after working with the researcher, has been unable to reproduce the issue","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://searchsecurity.techtarget.com/originalContent/0%2C289142%2Csid14_gci1207450%2C00.html","http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/tsd_products_security_response09186a008070d33b.html","http://www.idoel.smilejogja.com/2006/08/14/blinded-by-the-glare-of-facial-piercings-at-black-hat-or-the-one-that-got-away/","http://www.networkworld.com/news/2006/080406-black-hat-unpatched-flaw-revealed.html?t5","http://www.osvdb.org/29781"],"products":["cisco:pix_firewall_501","cisco:pix_firewall_506","cisco:pix_firewall_515","cisco:pix_firewall_515e","cisco:pix_firewall_520","cisco:pix_firewall_525","cisco:pix_firewall_535","cisco:pix_firewall_software"],"source":"nvd","synced_at":"2026-10-19T19:42:44.451428143+00:00"},"epss":{"cve":"CVE-2006-4194","score":0.02266,"percentile":0.83024,"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."]}