{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-21T14:42:40.658","vulnerabilities":[{"cve":{"id":"CVE-2019-1887","sourceIdentifier":"psirt@cisco.com","published":"2019-07-06T02:15:11.090","lastModified":"2024-11-21T04:37:37.050","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability in the Session Initiation Protocol (SIP) protocol implementation of Cisco Unified Communications Manager could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to insufficient validation of input SIP traffic. An attacker could exploit this vulnerability by sending a malformed SIP packet to an affected Cisco Unified Communications Manager. A successful exploit could allow the attacker to trigger a new registration process on all connected phones, temporarily disrupting service."},{"lang":"es","value":"Una vulnerabilidad en la implementación del protocolo Session Initiation Protocol (SIP) del programa Cisco Unified Communications Manager, podría permitir a un atacante remoto no identificado causar una condición de denegación de servicio (DoS). La vulnerabilidad es debido a una comprobación insuficiente del tráfico de entrada bajo protocolo SIP. Un atacante podría aprovechar esta vulnerabilidad mediante el envío de un paquete SIP malformado hacia un programa Cisco Unified Communications Manager afectado. Una operación con éxito podría permitir al atacante activar un nuevo proceso de registro en todos los teléfonos conectados, interrumpiendo el servicio temporalmente."}],"metrics":{"cvssMetricV30":[{"source":"psirt@cisco.com","type":"Secondary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","baseScore":8.6,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":4.0},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","baseScore":5.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"psirt@cisco.com","type":"Secondary","description":[{"lang":"en","value":"CWE-787"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-787"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:10.5\\(2.10000.5\\):*:*:*:*:*:*:*","matchCriteriaId":"520555C7-5E9B-4C76-AAB5-5DD8B29D18F0"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:11.5\\(1.10000.6\\):*:*:*:*:*:*:*","matchCriteriaId":"21BFC3A9-B6B1-49EE-A93A-6432BFE33E84"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:12.0\\(1.10000.10\\):*:*:*:*:*:*:*","matchCriteriaId":"1BA185BB-D78F-4F4E-B248-9AF550F0C4E0"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:12.5\\(1.10000.22\\):*:*:*:*:*:*:*","matchCriteriaId":"BEEEA592-F8A1-41F2-B152-87F0A9B6087E"}]}]}],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-cucm-dos","source":"psirt@cisco.com","tags":["Patch","Vendor Advisory"]},{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-cucm-dos","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"]}]}}]}