CVE-2018-15388

{"containers": {"cna": {"affected": [{"product": "Cisco Adaptive Security Appliance (ASA) Software", "vendor": "Cisco", "versions": [{"lessThan": "9.4.4.34", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "9.6.4.25", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "9.8.4", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "9.9.2.50", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "datePublic": "2019-05-01T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "A vulnerability in the WebVPN login process of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause increased CPU utilization on an affected device. The vulnerability is due to excessive processing load for existing WebVPN login operations. An attacker could exploit this vulnerability by sending multiple WebVPN login requests to the device. A successful exploit could allow the attacker to increase CPU load on the device, 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-400", "description": "CWE-400", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2019-05-03T14:30:13.000Z", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco"}, "references": [{"name": "20190501 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-sd-cpu-dos"}], "source": {"advisory": "cisco-sa-20190501-sd-cpu-dos", "defect": [["CSCvj33780"]], "discovery": "INTERNAL"}, "title": "Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN Denial of Service Vulnerability", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@cisco.com", "DATE_PUBLIC": "2019-05-01T16:00:00-0700", "ID": "CVE-2018-15388", "STATE": "PUBLIC", "TITLE": "Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN Denial of Service Vulnerability"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Cisco Adaptive Security Appliance (ASA) Software", "version": {"version_data": [{"affected": "<", "version_affected": "<", "version_value": "9.4.4.34"}, {"affected": "<", "version_affected": "<", "version_value": "9.6.4.25"}, {"affected": "<", "version_affected": "<", "version_value": "9.8.4"}, {"affected": "<", "version_affected": "<", "version_value": "9.9.2.50"}]}}]}, "vendor_name": "Cisco"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A vulnerability in the WebVPN login process of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause increased CPU utilization on an affected device. The vulnerability is due to excessive processing load for existing WebVPN login operations. An attacker could exploit this vulnerability by sending multiple WebVPN login requests to the device. A successful exploit could allow the attacker to increase CPU load on the device, 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-400"}]}]}, "references": {"reference_data": [{"name": "20190501 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN Denial of Service Vulnerability", "refsource": "CISCO", "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-sd-cpu-dos"}]}, "source": {"advisory": "cisco-sa-20190501-sd-cpu-dos", "defect": [["CSCvj33780"]], "discovery": "INTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T09:54:02.601Z"}, "title": "CVE Program Container", "references": [{"name": "20190501 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO", "x_transferred"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-sd-cpu-dos"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-11-19T17:24:36.740224Z", "id": "CVE-2018-15388", "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": "2024-11-19T19:10:11.904Z"}}]}, "cveMetadata": {"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2018-15388", "datePublished": "2019-05-03T14:30:13.092Z", "dateReserved": "2018-08-17T00:00:00.000Z", "dateUpdated": "2024-11-19T19:10:11.904Z", "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-20190501-sd-cpu-dos", "name": "20190501 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T09:54:02.601Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2018-15388", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-11-19T17:24:36.740224Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-11-19T17:25:08.571Z"}}], "cna": {"title": "Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN Denial of Service Vulnerability", "source": {"defect": [["CSCvj33780"]], "advisory": "cisco-sa-20190501-sd-cpu-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 Adaptive Security Appliance (ASA) Software", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "9.4.4.34", "versionType": "custom"}, {"status": "affected", "version": "unspecified", "lessThan": "9.6.4.25", "versionType": "custom"}, {"status": "affected", "version": "unspecified", "lessThan": "9.8.4", "versionType": "custom"}, {"status": "affected", "version": "unspecified", "lessThan": "9.9.2.50", "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": "2019-05-01T00:00:00.000Z", "references": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-sd-cpu-dos", "name": "20190501 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO"]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the WebVPN login process of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause increased CPU utilization on an affected device. The vulnerability is due to excessive processing load for existing WebVPN login operations. An attacker could exploit this vulnerability by sending multiple WebVPN login requests to the device. A successful exploit could allow the attacker to increase CPU load on the device, resulting in a denial of service (DoS) condition."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-400", "description": "CWE-400"}]}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2019-05-03T14:30:13.000Z"}, "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": [["CSCvj33780"]], "advisory": "cisco-sa-20190501-sd-cpu-dos", "discovery": "INTERNAL"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"affected": "<", "version_value": "9.4.4.34", "version_affected": "<"}, {"affected": "<", "version_value": "9.6.4.25", "version_affected": "<"}, {"affected": "<", "version_value": "9.8.4", "version_affected": "<"}, {"affected": "<", "version_value": "9.9.2.50", "version_affected": "<"}]}, "product_name": "Cisco Adaptive Security Appliance (ASA) Software"}]}, "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-20190501-sd-cpu-dos", "name": "20190501 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN Denial of Service Vulnerability", "refsource": "CISCO"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "A vulnerability in the WebVPN login process of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause increased CPU utilization on an affected device. The vulnerability is due to excessive processing load for existing WebVPN login operations. An attacker could exploit this vulnerability by sending multiple WebVPN login requests to the device. A successful exploit could allow the attacker to increase CPU load on the device, resulting in a denial of service (DoS) condition."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-400"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2018-15388", "STATE": "PUBLIC", "TITLE": "Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN Denial of Service Vulnerability", "ASSIGNER": "psirt@cisco.com", "DATE_PUBLIC": "2019-05-01T16:00:00-0700"}}}}, "cveMetadata": {"cveId": "CVE-2018-15388", "state": "PUBLISHED", "dateUpdated": "2024-11-19T19:10:11.904Z", "dateReserved": "2018-08-17T00:00:00.000Z", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "datePublished": "2019-05-03T14:30:13.092Z", "assignerShortName": "cisco"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "Cisco Adaptive Security Appliance (ASA) Software", "vendor": "Cisco", "versions": [{"lessThan": "9.4.4.34", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "9.6.4.25", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "9.8.4", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "9.9.2.50", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "psirt@cisco.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*", "matchCriteriaId": "79F0345E-5661-4119-8620-8A1F42E97128", "versionEndExcluding": "9.4.4.34", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*", "matchCriteriaId": "E7789E32-76B1-4D16-A556-B6B5A8CDB5A0", "versionEndExcluding": "9.6.4.25", "versionStartIncluding": "9.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*", "matchCriteriaId": "C812C8D5-3159-434C-8B9F-8CB0A8767923", "versionEndExcluding": "9.8.4", "versionStartIncluding": "9.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*", "matchCriteriaId": "ABCD2AF8-97D4-45C6-B80E-D5FA9B719BD5", "versionEndExcluding": "9.9.2.50", "versionStartIncluding": "9.9", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"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_5540:-:*:*:*:*:*:*:*", "matchCriteriaId": "17C5A524-E1D9-480F-B655-0680AA5BF720", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asa_5545-x:-:*:*:*:*:*:*:*", "matchCriteriaId": "57179F60-E330-4FF0-9664-B1E4637FF210", "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", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*", "matchCriteriaId": "E2E89299-F6E8-4C1C-98D7-894696DBCE9A", "versionEndExcluding": "6.2.3.12", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability in the WebVPN login process of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause increased CPU utilization on an affected device. The vulnerability is due to excessive processing load for existing WebVPN login operations. An attacker could exploit this vulnerability by sending multiple WebVPN login requests to the device. A successful exploit could allow the attacker to increase CPU load on the device, resulting in a denial of service (DoS) condition."}, {"lang": "es", "value": "Una vulnerabilidad en el proceso de inicio de sesi\u00f3n (login) en la WebVPN de los software Adaptive Security Appliance (ASA) y Firepower Threat Defense (FTD) de Cisco, podr\u00eda permitir que un atacante remoto no identificado cause un aumento en la utilizaci\u00f3n de la CPU en un dispositivo afectado. La vulnerabilidad es debido a una carga de procesamiento excesiva para las operaciones de inicio de sesi\u00f3n de WebVPN existentes. Un atacante podr\u00eda aprovechar esta vulnerabilidad enviando m\u00faltiples peticiones de inicio de sesi\u00f3n desde WebVPN al dispositivo. Una operaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante incrementar la carga de la CPU en el dispositivo, dando como resultado una condici\u00f3n de Denegaci\u00f3n de Servicio (DoS)."}], "id": "CVE-2018-15388", "lastModified": "2026-08-11T19:37:30.880", "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": "psirt@cisco.com", "type": "Secondary"}, {"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": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2018-15388", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-11-19T17:24:36.740224Z", "version": "2.0.3"}}]}, "published": "2019-05-03T15:29:00.227", "references": [{"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-sd-cpu-dos"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-sd-cpu-dos"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "psirt@cisco.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}