{"id":"CVE-2006-4194","url":"https://www.cyber-defence.io/tools/cve/CVE-2006-4194","generatedAt":"2026-10-27T20:53:03.853Z","title":"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…","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","published":"2006-08-17T01:04:00.000Z","lastModified":"2026-06-16T22:28:35.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":5,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N"},"cwe":[],"affected":["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"],"epss":{"score":0.02266,"percentile":0.82902,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (2.27%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://searchsecurity.techtarget.com/originalContent/0%2C289142%2Csid14_gci1207450%2C00.html","source":"cve@mitre.org"},{"url":"http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/tsd_products_security_response09186a008070d33b.html","source":"cve@mitre.org"},{"url":"http://www.idoel.smilejogja.com/2006/08/14/blinded-by-the-glare-of-facial-piercings-at-black-hat-or-the-one-that-got-away/","source":"cve@mitre.org"},{"url":"http://www.networkworld.com/news/2006/080406-black-hat-unpatched-flaw-revealed.html?t5","source":"cve@mitre.org"},{"url":"http://www.osvdb.org/29781","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/19536","source":"cve@mitre.org"},{"url":"http://searchsecurity.techtarget.com/originalContent/0%2C289142%2Csid14_gci1207450%2C00.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/tsd_products_security_response09186a008070d33b.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.idoel.smilejogja.com/2006/08/14/blinded-by-the-glare-of-facial-piercings-at-black-hat-or-the-one-that-got-away/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.networkworld.com/news/2006/080406-black-hat-unpatched-flaw-revealed.html?t5","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.osvdb.org/29781","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/19536","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2006-4194","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}