{"containers": {"cna": {"affected": [{"product": "Cisco IOS", "vendor": "Cisco", "versions": [{"lessThan": "12.1(12)", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "datePublic": "2019-09-25T00:00:00", "descriptions": [{"lang": "en", "value": "A vulnerability in the Ident protocol handler of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability exists because the affected software incorrectly handles memory structures, leading to a NULL pointer dereference. An attacker could exploit this vulnerability by opening a TCP connection to specific ports and sending traffic over that connection. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition."}], "exploits": [{"lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-476", "description": "CWE-476", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2019-09-25T20:05:32", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco"}, "references": [{"name": "20190925 Cisco IOS and IOS XE Software IP Ident Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-identd-dos"}], "source": {"advisory": "cisco-sa-20190925-identd-dos", "defect": [["CSCvm01689"]], "discovery": "INTERNAL"}, "title": "Cisco IOS and IOS XE Software IP Ident Denial of Service Vulnerability", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@cisco.com", "DATE_PUBLIC": "2019-09-25T16:00:00-0700", "ID": "CVE-2019-12647", "STATE": "PUBLIC", "TITLE": "Cisco IOS and IOS XE Software IP Ident Denial of Service Vulnerability"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Cisco IOS", "version": {"version_data": [{"affected": "<", "version_affected": "<", "version_value": "12.1(12)"}]}}]}, "vendor_name": "Cisco"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A vulnerability in the Ident protocol handler of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability exists because the affected software incorrectly handles memory structures, leading to a NULL pointer dereference. An attacker could exploit this vulnerability by opening a TCP connection to specific ports and sending traffic over that connection. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition."}]}, "exploit": [{"lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "impact": {"cvss": {"baseScore": "8.6", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-476"}]}]}, "references": {"reference_data": [{"name": "20190925 Cisco IOS and IOS XE Software IP Ident Denial of Service Vulnerability", "refsource": "CISCO", "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-identd-dos"}]}, "source": {"advisory": "cisco-sa-20190925-identd-dos", "defect": [["CSCvm01689"]], "discovery": "INTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T23:24:39.039Z"}, "title": "CVE Program Container", "references": [{"name": "20190925 Cisco IOS and IOS XE Software IP Ident Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO", "x_transferred"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-identd-dos"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-11-19T17:23:05.783404Z", "id": "CVE-2019-12647", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-11-19T18:56:32.819Z"}}]}, "cveMetadata": {"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2019-12647", "datePublished": "2019-09-25T20:05:32.919300Z", "dateReserved": "2019-06-04T00:00:00", "dateUpdated": "2024-11-19T18:56:32.819Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-identd-dos", "name": "20190925 Cisco IOS and IOS XE Software IP Ident Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T23:24:39.039Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2019-12647", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-11-19T17:23:05.783404Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-11-19T17:23:34.824Z"}}], "cna": {"title": "Cisco IOS and IOS XE Software IP Ident Denial of Service Vulnerability", "source": {"defect": [["CSCvm01689"]], "advisory": "cisco-sa-20190925-identd-dos", "discovery": "INTERNAL"}, "metrics": [{"cvssV3_0": {"scope": "CHANGED", "version": "3.0", "baseScore": 8.6, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "Cisco", "product": "Cisco IOS", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "12.1(12)", "versionType": "custom"}]}], "exploits": [{"lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "datePublic": "2019-09-25T00:00:00", "references": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-identd-dos", "name": "20190925 Cisco IOS and IOS XE Software IP Ident Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO"]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the Ident protocol handler of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability exists because the affected software incorrectly handles memory structures, leading to a NULL pointer dereference. An attacker could exploit this vulnerability by opening a TCP connection to specific ports and sending traffic over that connection. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-476", "description": "CWE-476"}]}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2019-09-25T20:05:32"}, "x_legacyV4Record": {"impact": {"cvss": {"version": "3.0", "baseScore": "8.6", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H"}}, "source": {"defect": [["CSCvm01689"]], "advisory": "cisco-sa-20190925-identd-dos", "discovery": "INTERNAL"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"affected": "<", "version_value": "12.1(12)", "version_affected": "<"}]}, "product_name": "Cisco IOS"}]}, "vendor_name": "Cisco"}]}}, "exploit": [{"lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "data_type": "CVE", "references": {"reference_data": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-identd-dos", "name": "20190925 Cisco IOS and IOS XE Software IP Ident Denial of Service Vulnerability", "refsource": "CISCO"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "A vulnerability in the Ident protocol handler of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability exists because the affected software incorrectly handles memory structures, leading to a NULL pointer dereference. An attacker could exploit this vulnerability by opening a TCP connection to specific ports and sending traffic over that connection. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-476"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2019-12647", "STATE": "PUBLIC", "TITLE": "Cisco IOS and IOS XE Software IP Ident Denial of Service Vulnerability", "ASSIGNER": "psirt@cisco.com", "DATE_PUBLIC": "2019-09-25T16:00:00-0700"}}}}, "cveMetadata": {"cveId": "CVE-2019-12647", "state": "PUBLISHED", "dateUpdated": "2024-11-19T18:56:32.819Z", "dateReserved": "2019-06-04T00:00:00", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "datePublished": "2019-09-25T20:05:32.919300Z", "assignerShortName": "cisco"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:cisco:ios_xe:fuji-16.7.1:*:*:*:*:*:*:*", "matchCriteriaId": "DF365C26-BBA0-44DE-9822-AC23CDC273A3", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xe:fuji-16.8.1:*:*:*:*:*:*:*", "matchCriteriaId": "EDF8FE6A-F644-44A9-8422-6C67214B221B", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:cisco:1100:-:*:*:*:*:*:*:*", "matchCriteriaId": "CC042678-29AA-44F7-BBF0-1D752D25687D", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:4221:-:*:*:*:*:*:*:*", "matchCriteriaId": "9FCB8187-4527-4EB5-8699-AD706FDF6991", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:4321:-:*:*:*:*:*:*:*", "matchCriteriaId": "B7564AE6-693E-4976-8420-6D1E968DA756", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:4351:-:*:*:*:*:*:*:*", "matchCriteriaId": "E6A779A8-21BD-4DC9-AA86-F7E6A62BB945", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:4431:-:*:*:*:*:*:*:*", "matchCriteriaId": "3703BD40-2107-4255-819B-61E8CFE70DD4", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:4451-x:-:*:*:*:*:*:*:*", "matchCriteriaId": "36B8B210-127D-4006-AED5-90E76EEDED93", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_1000:-:*:*:*:*:*:*:*", "matchCriteriaId": "91209C16-A620-44A0-9134-8AA456343F29", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_1001-hx:-:*:*:*:*:*:*:*", "matchCriteriaId": "7594E307-AC80-41EC-AE94-07E664A7D701", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_1001-x:-:*:*:*:*:*:*:*", "matchCriteriaId": "09C913FF-63D5-43FB-8B39-598EF436BA5A", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_1002-hx:-:*:*:*:*:*:*:*", "matchCriteriaId": "CD2794BD-C8CE-46EF-9857-1723FCF04E46", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_1002-x:-:*:*:*:*:*:*:*", "matchCriteriaId": "444F688F-79D0-4F22-B530-7BD520080B8F", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_900:-:*:*:*:*:*:*:*", "matchCriteriaId": "EA873342-542E-4FC8-9C22-B5A43F9F3E9D", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_920-10sz-pd:-:*:*:*:*:*:*:*", "matchCriteriaId": "DBE110B5-CC6E-4103-9983-4195BCC28165", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_920-12cz-a:-:*:*:*:*:*:*:*", "matchCriteriaId": "3FE4D129-435B-45DD-838D-4017BD94DF93", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_920-12cz-d:-:*:*:*:*:*:*:*", "matchCriteriaId": "870D5B63-A1D5-442A-B2B9-9E522E5DB08F", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_920-12sz-im:-:*:*:*:*:*:*:*", "matchCriteriaId": "2BD45D77-4097-4AFB-98DF-5B8188316C20", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_920-24sz-im:-:*:*:*:*:*:*:*", "matchCriteriaId": "064DB97B-9E52-45BC-9F43-8FCB5570FC7D", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_920-24sz-m:-:*:*:*:*:*:*:*", "matchCriteriaId": "D989205A-0576-415C-935E-E83AD42FD1CB", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_920-24tz-m:-:*:*:*:*:*:*:*", "matchCriteriaId": "78C3EB40-574A-48F7-A679-90F62ED976B5", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_920-4sz-a:-:*:*:*:*:*:*:*", "matchCriteriaId": "85489F69-EAF0-4971-8C93-36838A8AA00E", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_920-4sz-d:-:*:*:*:*:*:*:*", "matchCriteriaId": "2D029B0C-2DAE-491A-90B4-79C093EC9E48", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:cloud_services_router_1000v:-:*:*:*:*:*:*:*", "matchCriteriaId": "4CCB8270-A01D-40A6-BF4B-26BAF65E68F3", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:ncs_4201:-:*:*:*:*:*:*:*", "matchCriteriaId": "41C5ECF8-EFFE-4C27-8DCB-2533BFD5200F", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:ncs_4202:-:*:*:*:*:*:*:*", "matchCriteriaId": "68C23248-3D61-4BAF-9602-BA31FB4374DD", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:ncs_4206:-:*:*:*:*:*:*:*", "matchCriteriaId": "C36494B4-8E2D-4399-97B5-725792BD5C45", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:ncs_4216:-:*:*:*:*:*:*:*", "matchCriteriaId": "0819EF17-5102-45FF-96AD-85BE17FD6921", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:network_convergence_system_520:-:*:*:*:*:*:*:*", "matchCriteriaId": "E7A35D05-30AC-460F-ADBF-5B7EB0801ACD", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability in the Ident protocol handler of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability exists because the affected software incorrectly handles memory structures, leading to a NULL pointer dereference. An attacker could exploit this vulnerability by opening a TCP connection to specific ports and sending traffic over that connection. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition."}, {"lang": "es", "value": "Una vulnerabilidad en el manejador del protocolo Ident de los Software Cisco IOS y IOS XE, podr\u00eda permitir a un atacante remoto no autenticado causar la recarga de un dispositivo afectado. La vulnerabilidad se presenta porque el software afectado maneja incorrectamente las estructuras de la memoria, lo que conlleva a una desreferencia del puntero NULL. Un atacante podr\u00eda explotar esta vulnerabilidad abriendo una conexi\u00f3n TCP en puertos espec\u00edficos y mediante el env\u00edo de tr\u00e1fico por medio de \u00e9sta conexi\u00f3n. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante causar que el dispositivo afectado se recargue, resultando en una condici\u00f3n de denegaci\u00f3n de servicio (DoS)."}], "id": "CVE-2019-12647", "lastModified": "2019-10-09T23:45:57.137", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "ykramarz@cisco.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-09-25T20:15:10.417", "references": [{"source": "ykramarz@cisco.com", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-identd-dos"}], "sourceIdentifier": "ykramarz@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-476"}], "source": "ykramarz@cisco.com", "type": "Secondary"}]}

{}