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A successful exploit could allow the attacker to trigger an integer underflow, causing the software to try to read unmapped memory and resulting in a crash."},{"lang":"es","value":"Una vulnerabilidad en el módulo de inspección del Session Initiation Protocol (SIP) del Software Cisco Adaptive Security Appliance (ASA) y el Software Cisco Firepower Threat Defense (FTD), podría permitir a un atacante remoto no autenticado causar una condición de denegación de servicio (DoS) en un dispositivo afectado. La vulnerabilidad es debido al análisis inapropiado de los mensajes SIP. Un atacante podría explotar esta vulnerabilidad mediante el envío de un paquete SIP malicioso por medio de un dispositivo afectado. Una explotación con éxito podría permitir al atacante desencadenar un subdesbordamiento de enteros, haciendo que el software intente leer una memoria no asignada y resultando en un bloqueo."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/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}],"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}],"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-191"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-191"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:*","versionEndExcluding":"9.4.4.37","matchCriteriaId":"FB6A7A4A-45A5-4348-AF15-AE070F98577E"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*","versionStartIncluding":"9.5","versionEndExcluding":"9.6.4.34","matchCriteriaId":"DDD6750E-A7C2-4666-BF9E-05DD379CE324"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*","versionStartIncluding":"9.7","versionEndExcluding":"9.8.4.7","matchCriteriaId":"0810C0B8-ADF0-4436-A02E-E0F9F3A995D5"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*","versionStartIncluding":"9.9","versionEndExcluding":"9.9.2.56","matchCriteriaId":"F3118855-5066-4FB7-B63E-EB694D6E00FA"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*","versionStartIncluding":"9.10","versionEndExcluding":"9.10.1.27","matchCriteriaId":"6D22E9AC-8A5B-4616-86C5-396929CB31F4"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*","versionStartIncluding":"9.12","versionEndExcluding":"9.12.2.1","matchCriteriaId":"D5706D2C-2710-4E83-892E-00B943E61783"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:asa_5505:-:*:*:*:*:*:*:*","matchCriteriaId":"8E6A8BB7-2000-4CA2-9DD7-89573CE4C73A"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:asa_5510:-:*:*:*:*:*:*:*","matchCriteriaId":"B091B9BA-D4CA-435B-8D66-602B45F0E0BD"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:asa_5512-x:-:*:*:*:*:*:*:*","matchCriteriaId":"08F0F160-DAD2-48D4-B7B2-4818B2526F35"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:asa_5515-x:-:*:*:*:*:*:*:*","matchCriteriaId":"977D597B-F6DE-4438-AB02-06BE64D71EBE"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:asa_5520:-:*:*:*:*:*:*:*","matchCriteriaId":"2B387F62-6341-434D-903F-9B72E7F84ECB"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:asa_5525-x:-:*:*:*:*:*:*:*","matchCriteriaId":"EB71EB29-0115-4307-A9F7-262394FD9FB0"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:asa_5550:-:*:*:*:*:*:*:*","matchCriteriaId":"E6287D95-F564-44B7-A0F9-91396D7C2C4E"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:asa_5555-x:-:*:*:*:*:*:*:*","matchCriteriaId":"5535C936-391B-4619-AA03-B35265FC15D7"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:asa_5580:-:*:*:*:*:*:*:*","matchCriteriaId":"D1E828B8-5ECC-4A09-B2AD-DEDC558713DE"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:asa_5585-x:-:*:*:*:*:*:*:*","matchCriteriaId":"16AE20C2-C77E-4E04-BF13-A48696E52426"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*","versionEndExcluding":"6.2.3.15","matchCriteriaId":"2A1910D8-107F-4BD1-90D2-5653AA75F54A"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3.0","versionEndExcluding":"6.3.0.4","matchCriteriaId":"F6FCB433-E565-4B76-AF20-10A7767AAE94"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4.0","versionEndExcluding":"6.4.0.4","matchCriter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