{"id":"CVE-2008-4999","url":"https://www.cyber-defence.io/tools/cve/CVE-2008-4999","generatedAt":"2026-10-27T19:39:18.220Z","title":"Nortel Networks UNIStim IP Phone 0604DAS allows remote attackers to cause a denial of service (crash) via a long ping packet (\"ping of death\").","description":"Nortel Networks UNIStim IP Phone 0604DAS allows remote attackers to cause a denial of service (crash) via a long ping packet (\"ping of death\").  NOTE: this issue could not be reproduced by a third party, who tested it on 0604DAD. In addition, the original researcher was not able to reliably reproduce the issue.","published":"2008-11-07T19:36:24.000Z","lastModified":"2026-06-16T22:58:55.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":7.8,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C"},"cwe":["CWE-20"],"affected":["nortel/unistim ip phone"],"epss":{"score":0.03826,"percentile":0.90005,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2008-02-26","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":31306,"kind":"exploit","title":"Nortel UNIStim IP Phone - Remote Ping Denial of Service","url":"https://www.exploit-db.com/exploits/31306","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/hardware/dos/31306.txt","file":"exploits/hardware/dos/31306.txt","published":"2008-02-26","added":"2008-02-26","updated":"2014-01-31","author":"sipherr","type":"dos","platform":"hardware","port":null,"verified":true,"codes":["CVE-2008-4999","OSVDB-49792"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/28004/info"}]},"verdict":{"level":"urgent","text":"A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 3.8%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[],"references":[{"url":"http://securityreason.com/securityalert/4568","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/488782/100/100/threaded","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/488801/100/100/threaded","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/488803/100/100/threaded","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/28004","source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/40993","source":"cve@mitre.org"},{"url":"http://securityreason.com/securityalert/4568","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/488782/100/100/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/488801/100/100/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/488803/100/100/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/28004","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/40993","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2008-4999","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."}