CVE-2017-6721

{"containers": {"cna": {"affected": [{"product": "Cisco Wide Area Application Services", "vendor": "n/a", "versions": [{"status": "affected", "version": "Cisco Wide Area Application Services"}]}], "datePublic": "2017-07-03T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "A vulnerability in the ingress processing of fragmented TCP packets by Cisco Wide Area Application Services (WAAS) could allow an unauthenticated, remote attacker to cause the WAASNET process to restart unexpectedly, causing a denial of service (DoS) condition. More Information: CSCvc57428. Known Affected Releases: 6.3(1). Known Fixed Releases: 6.3(0.143) 6.2(3c)6 6.2(3.22)."}], "problemTypes": [{"descriptions": [{"description": "TCP Fragment Denial of Service Vulnerability", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-07-06T09:57:01.000Z", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170621-waas"}, {"name": "1038747", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id/1038747"}, {"name": "99200", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/99200"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@cisco.com", "ID": "CVE-2017-6721", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Cisco Wide Area Application Services", "version": {"version_data": [{"version_value": "Cisco Wide Area Application Services"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A vulnerability in the ingress processing of fragmented TCP packets by Cisco Wide Area Application Services (WAAS) could allow an unauthenticated, remote attacker to cause the WAASNET process to restart unexpectedly, causing a denial of service (DoS) condition. More Information: CSCvc57428. Known Affected Releases: 6.3(1). Known Fixed Releases: 6.3(0.143) 6.2(3c)6 6.2(3.22)."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "TCP Fragment Denial of Service Vulnerability"}]}]}, "references": {"reference_data": [{"name": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170621-waas", "refsource": "CONFIRM", "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170621-waas"}, {"name": "1038747", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1038747"}, {"name": "99200", "refsource": "BID", "url": "http://www.securityfocus.com/bid/99200"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T15:41:17.003Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170621-waas"}, {"name": "1038747", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id/1038747"}, {"name": "99200", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/99200"}]}]}, "cveMetadata": {"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2017-6721", "datePublished": "2017-07-04T00:00:00.000Z", "dateReserved": "2017-03-09T00:00:00.000Z", "dateUpdated": "2024-08-05T15:41:17.003Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Cisco Wide Area Application Services", "vendor": "n/a", "versions": [{"status": "affected", "version": "Cisco Wide Area Application Services"}]}], "source": "psirt@cisco.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cisco:wide_area_application_services:6.3\\(1\\):*:*:*:*:*:*:*", "matchCriteriaId": "9E9E1287-58BF-4799-85F5-270658D84083", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability in the ingress processing of fragmented TCP packets by Cisco Wide Area Application Services (WAAS) could allow an unauthenticated, remote attacker to cause the WAASNET process to restart unexpectedly, causing a denial of service (DoS) condition. More Information: CSCvc57428. Known Affected Releases: 6.3(1). Known Fixed Releases: 6.3(0.143) 6.2(3c)6 6.2(3.22)."}, {"lang": "es", "value": "Una vulnerabilidad en el procesamiento de ingreso de paquetes TCP fragmentados por Wide Area Application Services (WAAS) de Cisco, podr\u00eda permitir a un atacante remoto no identificado causar que el proceso WAASNET se reinicie inesperadamente, causando una condici\u00f3n de denegaci\u00f3n de servicio (DoS). M\u00e1s informaci\u00f3n: CSCvc57428. Versiones Afectadas Conocidas: 6.3(1). Versiones Fijas Conocidas: 6.3(0.143) 6.2(3c) 6 6.2(3.22)."}], "id": "CVE-2017-6721", "lastModified": "2026-06-17T01:22:52.150", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-07-04T00:29:00.680", "references": [{"source": "psirt@cisco.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/99200"}, {"source": "psirt@cisco.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1038747"}, {"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170621-waas"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/99200"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1038747"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170621-waas"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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