{"id":"CVE-2006-4855","url":"https://www.cyber-defence.io/tools/cve/CVE-2006-4855","generatedAt":"2026-10-27T18:48:06.160Z","title":"The \\Device\\SymEvent driver in Symantec Norton Personal Firewall 2006 9.1.0.33, and other versions of Norton Personal Firewall, Internet Security, AntiVirus, SystemWorks, Symantec Client Security SCS 1.x, 2.x, 3.0, and 3.1, Symantec AntiVirus Corporate…","description":"The \\Device\\SymEvent driver in Symantec Norton Personal Firewall 2006 9.1.0.33, and other versions of Norton Personal Firewall, Internet Security, AntiVirus, SystemWorks, Symantec Client Security SCS 1.x, 2.x, 3.0, and 3.1, Symantec AntiVirus Corporate Edition SAVCE 8.x, 9.x, 10.0, and 10.1, Symantec pcAnywhere 11.5 only, and Symantec Host, allows local users to cause a denial of service (system crash) via invalid data, as demonstrated by calling DeviceIoControl to send the data.","published":"2006-09-19T18:07:00.000Z","lastModified":"2026-06-16T22:29:55.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":4.9,"severity":"MEDIUM","vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C"},"cwe":["CWE-399"],"affected":["symantec/client security","symantec/host ids","symantec/norton antivirus","symantec/norton internet security","symantec/norton personal firewall","symantec/norton system works","symantec/pcanywhere"],"epss":{"score":0.01323,"percentile":0.70709,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2006-09-15","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":28588,"kind":"exploit","title":"Symantec (Multiple Products) - 'SymEvent' Driver Local Denial of Service","url":"https://www.exploit-db.com/exploits/28588","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/dos/28588.txt","file":"exploits/windows/dos/28588.txt","published":"2006-09-15","added":"2006-09-15","updated":"2013-10-11","author":"David Matousek","type":"dos","platform":"windows","port":null,"verified":true,"codes":["CVE-2006-4855","OSVDB-28830"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/20051/info"}]},"verdict":{"level":"high","text":"A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 1.3%. Treat it as high on anything reachable from the internet."},"changes":[],"references":[{"url":"http://secunia.com/advisories/21938","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://securityreason.com/securityalert/1591","source":"cve@mitre.org"},{"url":"http://securityresponse.symantec.com/avcenter/security/Content/2006.09.20a.html","source":"cve@mitre.org"},{"url":"http://securitytracker.com/id?1016889","source":"cve@mitre.org"},{"url":"http://securitytracker.com/id?1016892","source":"cve@mitre.org"},{"url":"http://securitytracker.com/id?1016893","source":"cve@mitre.org"},{"url":"http://securitytracker.com/id?1016894","source":"cve@mitre.org"},{"url":"http://securitytracker.com/id?1016895","source":"cve@mitre.org"},{"url":"http://securitytracker.com/id?1016896","source":"cve@mitre.org"},{"url":"http://securitytracker.com/id?1016897","source":"cve@mitre.org"},{"url":"http://securitytracker.com/id?1016898","source":"cve@mitre.org"},{"url":"http://www.matousec.com/info/advisories/Norton-Insufficient-validation-of-SymEvent-driver-input-buffer.php","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/446111/100/0/threaded","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/20051","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"http://www.vupen.com/english/advisories/2006/3636","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/28960","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/21938","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://securityreason.com/securityalert/1591","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://securityresponse.symantec.com/avcenter/security/Content/2006.09.20a.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://securitytracker.com/id?1016889","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://securitytracker.com/id?1016892","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://securitytracker.com/id?1016893","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://securitytracker.com/id?1016894","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://securitytracker.com/id?1016895","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://securitytracker.com/id?1016896","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://securitytracker.com/id?1016897","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://securitytracker.com/id?1016898","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.matousec.com/info/advisories/Norton-Insufficient-validation-of-SymEvent-driver-input-buffer.php","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/446111/100/0/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/20051","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2006/3636","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/28960","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2006-4855","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."}