{"id":"CVE-2011-4015","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-4015","generatedAt":"2026-10-27T17:58:22.645Z","title":"Cisco IOS 15.2S allows remote attackers to cause a denial of service (interface queue wedge) via malformed UDP traffic on port 465, aka Bug ID CSCts48300.","description":"Cisco IOS 15.2S allows remote attackers to cause a denial of service (interface queue wedge) via malformed UDP traffic on port 465, aka Bug ID CSCts48300.","published":"2012-05-02T10:09:22.000Z","lastModified":"2026-06-16T23:34:18.000Z","status":"Modified","sourceIdentifier":"psirt@cisco.com","cvss":{"version":"2.0","score":5,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},"cwe":["CWE-20"],"affected":["cisco/ios"],"epss":{"score":0.01204,"percentile":0.68068,"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 (1.20%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://www.cisco.com/en/US/docs/ios/15_2s/release/notes/15_2s_caveats_15_2_2s.html","source":"psirt@cisco.com"},{"url":"http://www.securitytracker.com/id?1027005","source":"psirt@cisco.com"},{"url":"http://www.cisco.com/en/US/docs/ios/15_2s/release/notes/15_2s_caveats_15_2_2s.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id?1027005","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-4015","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."}