{"schemaVersion":3,"id":"CVE-2024-20376","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A vulnerability in the web-based management interface of Cisco IP Phone firmware could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a DoS condition.\n\n This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface of an affected device. A successful exploit could allow the attacker to cause the affected device to reload.","dates":{"published":"2024-05-01T16:43:15.553Z","modified":"2024-08-01T21:59:42.187Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00881,"percentile":0.58492,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00881},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00881,"percentile":0.58492}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00881,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00881,"percentile":0.58492}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-787","name":"Out-of-bounds Write","description":"The product writes data past the end, or before the beginning, of the intended buffer.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/787.html"}],"affected":[{"vendor":"cisco","product":"cisco ip phones with multiplatform firmware","name":"Cisco IP Phones with Multiplatform Firmware","label":"cisco ip phones with multiplatform firmware","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"11.3.1 MSR2-6","noFixRecorded":false,"fixedIn":null},{"text":"11.3.1 MSR3-3","noFixRecorded":false,"fixedIn":null},{"text":"11.3.2","noFixRecorded":false,"fixedIn":null},{"text":"11.3.3","noFixRecorded":false,"fixedIn":null},{"text":"11.3.1 MSR4-1","noFixRecorded":false,"fixedIn":null},{"text":"11.3.4","noFixRecorded":false,"fixedIn":null},{"text":"11.3.5","noFixRecorded":false,"fixedIn":null},{"text":"11.3.3 MSR2","noFixRecorded":false,"fixedIn":null},{"text":"11.3.3 MSR1","noFixRecorded":false,"fixedIn":null},{"text":"11.3.6","noFixRecorded":false,"fixedIn":null},{"text":"11-3-1MPPSR4UPG","noFixRecorded":false,"fixedIn":null},{"text":"11.3.7","noFixRecorded":false,"fixedIn":null},{"text":"11-3-1MSR2UPG","noFixRecorded":false,"fixedIn":null},{"text":"11.3.6SR1","noFixRecorded":false,"fixedIn":null},{"text":"11.3.7SR1","noFixRecorded":false,"fixedIn":null},{"text":"11.3.7SR2","noFixRecorded":false,"fixedIn":null},{"text":"11.0.0","noFixRecorded":false,"fixedIn":null},{"text":"11.0.1","noFixRecorded":false,"fixedIn":null},{"text":"11.0.1 MSR1-1","noFixRecorded":false,"fixedIn":null},{"text":"11.0.2","noFixRecorded":false,"fixedIn":null},{"text":"11.1.1","noFixRecorded":false,"fixedIn":null},{"text":"11.1.1 MSR1-1","noFixRecorded":false,"fixedIn":null},{"text":"11.1.1 MSR2-1","noFixRecorded":false,"fixedIn":null},{"text":"11.1.2","noFixRecorded":false,"fixedIn":null},{"text":"11.1.2 MSR1-1","noFixRecorded":false,"fixedIn":null},{"text":"11.1.2 MSR3-1","noFixRecorded":false,"fixedIn":null},{"text":"11.2.1","noFixRecorded":false,"fixedIn":null},{"text":"11.2.2","noFixRecorded":false,"fixedIn":null},{"text":"11.2.3","noFixRecorded":false,"fixedIn":null},{"text":"11.2.3 MSR1-1","noFixRecorded":false,"fixedIn":null},{"text":"11.2.4","noFixRecorded":false,"fixedIn":null},{"text":"11.3.1","noFixRecorded":false,"fixedIn":null},{"text":"11.3.1 MSR1-3","noFixRecorded":false,"fixedIn":null},{"text":"4.5","noFixRecorded":false,"fixedIn":null},{"text":"4.6 MSR1","noFixRecorded":false,"fixedIn":null},{"text":"4.7.1","noFixRecorded":false,"fixedIn":null},{"text":"4.8.1","noFixRecorded":false,"fixedIn":null},{"text":"4.8.1 SR1","noFixRecorded":false,"fixedIn":null},{"text":"5.0.1","noFixRecorded":false,"fixedIn":null},{"text":"12.0.1","noFixRecorded":false,"fixedIn":null},{"text":"12.0.2","noFixRecorded":false,"fixedIn":null},{"text":"12.0.3","noFixRecorded":false,"fixedIn":null},{"text":"12.0.3SR1","noFixRecorded":false,"fixedIn":null},{"text":"12.0.4","noFixRecorded":false,"fixedIn":null},{"text":"5.1.1","noFixRecorded":false,"fixedIn":null},{"text":"5.1.2","noFixRecorded":false,"fixedIn":null},{"text":"5.1(2)SR1","noFixRecorded":false,"fixedIn":null}],"versionsText":"11.3.1 MSR2-6 | 11.3.1 MSR3-3 | 11.3.2 | 11.3.3 | 11.3.1 MSR4-1 | 11.3.4 | 11.3.5 | 11.3.3 MSR2 | 11.3.3 MSR1 | 11.3.6 | 11-3-1MPPSR4UPG | 11.3.7 | 11-3-1MSR2UPG | 11.3.6SR1 | 11.3.7SR1 | 11.3.7SR2 | 11.0.0 | 11.0.1 | 11.0.1 MSR1-1 | 11.0.2 | 11.1.1 | 11.1.1 MSR1-1 | 11.1.1 MSR2-1 | 11.1.2 | 11.1.2 MSR1-1 | 11.1.2 MSR3-1 | 11.2.1 | 11.2.2 | 11.2.3 | 11.2.3 MSR1-1 | 11.2.4 | 11.3.1 | 11.3.1 MSR1-3 | 4.5 | 4.6 MSR1 | 4.7.1 | 4.8.1 | 4.8.1 SR1 | 5.0.1 | 12.0.1 | 12.0.2 | 12.0.3 | 12.0.3SR1 | 12.0.4 | 5.1.1 | 5.1.2 | 5.1(2)SR1","eol":null,"hubHref":"/vendor/cisco/cisco_ip_phones_with_multiplatform_firmware"},{"vendor":"cisco","product":"cisco phoneos","name":"Cisco PhoneOS","label":"cisco phoneos","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"1.0.1","noFixRecorded":false,"fixedIn":null},{"text":"2.1.1","noFixRecorded":false,"fixedIn":null},{"text":"2.0.1","noFixRecorded":false,"fixedIn":null},{"text":"2.3.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"1.0.1 | 2.1.1 | 2.0.1 | 2.3.1","eol":null,"hubHref":"/vendor/cisco/cisco_phoneos"},{"vendor":"cisco","product":"ip_phone_6821_with_multiplatform_firmware","name":"ip phone 6821 with multiplatform firmware","label":"ip_phone_6821_with_multiplatform_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 12.0.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 12.0.4","eol":null,"hubHref":"/vendor/cisco/ip_phone_6821_with_multiplatform"},{"vendor":"cisco","product":"ip_phone_6841_with_multiplatform_firmware","name":"ip phone 6841 with multiplatform firmware","label":"ip_phone_6841_with_multiplatform_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 12.0.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 12.0.4","eol":null,"hubHref":"/vendor/cisco/ip_phone_6841_with_multiplatform"},{"vendor":"cisco","product":"ip_phone_6851_with_multiplatform_firmware","name":"ip phone 6851 with multiplatform firmware","label":"ip_phone_6851_with_multiplatform_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 12.0.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 12.0.4","eol":null,"hubHref":"/vendor/cisco/ip_phone_6851_with_multiplatform"},{"vendor":"cisco","product":"ip_phone_6861_with_multiplatform_firmware","name":"ip phone 6861 with multiplatform firmware","label":"ip_phone_6861_with_multiplatform_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 12.0.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 12.0.4","eol":null,"hubHref":"/vendor/cisco/ip_phone_6861_with_multiplatform"},{"vendor":"cisco","product":"ip_phone_6871_with_multiplatform_firmware","name":"ip phone 6871 with multiplatform firmware","label":"ip_phone_6871_with_multiplatform_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 12.0.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 12.0.4","eol":null,"hubHref":"/vendor/cisco/ip_phone_6871_with_multiplatform"},{"vendor":"cisco","product":"ip_phone_7811_with_multiplatform_firmware","name":"ip phone 7811 with multiplatform firmware","label":"ip_phone_7811_with_multiplatform_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 12.0.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 12.0.4","eol":null,"hubHref":"/vendor/cisco/ip_phone_7811_with_multiplatform"},{"vendor":"cisco","product":"ip_phone_7821_with_multiplatform_firmware","name":"ip phone 7821 with multiplatform firmware","label":"ip_phone_7821_with_multiplatform_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 12.0.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 12.0.4","eol":null,"hubHref":"/vendor/cisco/ip_phone_7821_with_multiplatform"},{"vendor":"cisco","product":"ip_phone_7832_with_multiplatform_firmware","name":"ip phone 7832 with multiplatform firmware","label":"ip_phone_7832_with_multiplatform_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 12.0.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 12.0.4","eol":null,"hubHref":"/vendor/cisco/ip_phone_7832_with_multiplatform"},{"vendor":"cisco","product":"ip_phone_7841_with_multiplatform_firmware","name":"ip phone 7841 with multiplatform firmware","label":"ip_phone_7841_with_multiplatform_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 12.0.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 12.0.4","eol":null,"hubHref":"/vendor/cisco/ip_phone_7841_with_multiplatform"},{"vendor":"cisco","product":"ip_phone_7861_with_multiplatform_firmware","name":"ip phone 7861 with multiplatform firmware","label":"ip_phone_7861_with_multiplatform_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 12.0.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 12.0.4","eol":null,"hubHref":"/vendor/cisco/ip_phone_7861_with_multiplatform"},{"vendor":"cisco","product":"ip_phone_8811_with_multiplatform_firmware","name":"ip phone 8811 with multiplatform firmware","label":"ip_phone_8811_with_multiplatform_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 12.0.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 12.0.4","eol":null,"hubHref":"/vendor/cisco/ip_phone_8811_with_multiplatform"},{"vendor":"cisco","product":"ip_phone_8832_with_multiplatform_firmware","name":"ip phone 8832 with multiplatform firmware","label":"ip_phone_8832_with_multiplatform_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 12.0.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 12.0.4","eol":null,"hubHref":"/vendor/cisco/ip_phone_8832_with_multiplatform"},{"vendor":"cisco","product":"ip_phone_8841_with_multiplatform_firmware","name":"ip phone 8841 with multiplatform firmware","label":"ip_phone_8841_with_multiplatform_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 12.0.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 12.0.4","eol":null,"hubHref":"/vendor/cisco/ip_phone_8841_with_multiplatform"},{"vendor":"cisco","product":"ip_phone_8845_with_multiplatform_firmware","name":"ip phone 8845 with multiplatform firmware","label":"ip_phone_8845_with_multiplatform_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 12.0.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 12.0.4","eol":null,"hubHref":"/vendor/cisco/ip_phone_8845_with_multiplatform"},{"vendor":"cisco","product":"ip_phone_8851_with_multiplatform_firmware","name":"ip phone 8851 with multiplatform firmware","label":"ip_phone_8851_with_multiplatform_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 12.0.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 12.0.4","eol":null,"hubHref":"/vendor/cisco/ip_phone_8851_with_multiplatform"},{"vendor":"cisco","product":"ip_phone_8861_with_multiplatform_firmware","name":"ip phone 8861 with multiplatform firmware","label":"ip_phone_8861_with_multiplatform_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 12.0.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 12.0.4","eol":null,"hubHref":"/vendor/cisco/ip_phone_8861_with_multiplatform"},{"vendor":"cisco","product":"ip_phone_8865_with_multiplatform_firmware","name":"ip phone 8865 with multiplatform firmware","label":"ip_phone_8865_with_multiplatform_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 12.0.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 12.0.4","eol":null,"hubHref":"/vendor/cisco/ip_phone_8865_with_multiplatform"},{"vendor":"cisco","product":"video_phone_8875_firmware","name":"video phone 8875 firmware","label":"video_phone_8875_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 2.3.1.0101","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.3.1.0101","eol":null,"hubHref":"/vendor/cisco/video_phone_8875"}],"affectedCount":20,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ipphone-multi-vulns-cXAhCvS","label":"sec.cloudapps.cisco.com/security/…","hostname":"sec.cloudapps.cisco.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2024-05-01T16:43:15.553Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-01T21:59:42.187Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":30,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T16:18:50.021Z","stale":false,"partial":false}}