{"id":"CVE-2008-1153","url":"https://www.cyber-defence.io/tools/cve/CVE-2008-1153","generatedAt":"2026-10-27T18:33:40.259Z","title":"Cisco IOS 12.1, 12.2, 12.3, and 12.4, with IPv4 UDP services and the IPv6 protocol enabled, allows remote attackers to cause a denial of service (device crash and possible blocked interface) via a crafted IPv6 packet to the device.","description":"Cisco IOS 12.1, 12.2, 12.3, and 12.4, with IPv4 UDP services and the IPv6 protocol enabled, allows remote attackers to cause a denial of service (device crash and possible blocked interface) via a crafted IPv6 packet to the device.","published":"2008-03-27T10:44:00.000Z","lastModified":"2026-06-16T22:51:06.000Z","status":"Modified","sourceIdentifier":"psirt@cisco.com","cvss":{"version":"2.0","score":7.1,"severity":"HIGH","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C"},"cwe":[],"affected":["cisco/cisco ios","cisco/ios"],"epss":{"score":0.05584,"percentile":0.92832,"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":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (5.58%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://secunia.com/advisories/29507","source":"psirt@cisco.com"},{"url":"http://www.cisco.com/warp/public/707/cisco-sa-20080326-IPv4IPv6.shtml","tags":["Exploit","Patch"],"source":"psirt@cisco.com"},{"url":"http://www.kb.cert.org/vuls/id/936177","tags":["US Government Resource"],"source":"psirt@cisco.com"},{"url":"http://www.securityfocus.com/bid/28461","source":"psirt@cisco.com"},{"url":"http://www.securitytracker.com/id?1019713","source":"psirt@cisco.com"},{"url":"http://www.us-cert.gov/cas/techalerts/TA08-087B.html","tags":["US Government Resource"],"source":"psirt@cisco.com"},{"url":"http://www.vupen.com/english/advisories/2008/1006/references","source":"psirt@cisco.com"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/41475","source":"psirt@cisco.com"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5860","source":"psirt@cisco.com"},{"url":"http://secunia.com/advisories/29507","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.cisco.com/warp/public/707/cisco-sa-20080326-IPv4IPv6.shtml","tags":["Exploit","Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kb.cert.org/vuls/id/936177","tags":["US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/28461","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id?1019713","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.us-cert.gov/cas/techalerts/TA08-087B.html","tags":["US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2008/1006/references","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/41475","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5860","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2008-1153","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."}