{"containers": {"cna": {"affected": [{"product": "Cisco Web Security Appliance (WSA) ", "vendor": "Cisco", "versions": [{"status": "affected", "version": "10.1"}, {"status": "affected", "version": "10.5"}]}], "datePublic": "2019-02-06T00:00:00", "descriptions": [{"lang": "en", "value": "A vulnerability in the Decryption Policy Default Action functionality of the Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to bypass a configured drop policy and allow traffic onto the network that should have been denied. The vulnerability is due to the incorrect handling of SSL-encrypted traffic when Decrypt for End-User Notification is disabled in the configuration. An attacker could exploit this vulnerability by sending a SSL connection through the affected device. A successful exploit could allow the attacker to bypass a configured drop policy to block specific SSL connections. Releases 10.1.x and 10.5.x are affected."}], "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": "NONE", "baseScore": 5.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "description": "CWE-400", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2019-02-09T10:57:01", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco"}, "references": [{"name": "20190206 Cisco Web Security Appliance Decryption Policy Bypass Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190206-wsa-bypass"}, {"name": "106904", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/106904"}], "source": {"advisory": "cisco-sa-20190206-wsa-bypass", "defect": [["CSCvm91630"]], "discovery": "INTERNAL"}, "title": "Cisco Web Security Appliance Decryption Policy Bypass Vulnerability", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@cisco.com", "DATE_PUBLIC": "2019-02-06T16:00:00-0800", "ID": "CVE-2019-1672", "STATE": "PUBLIC", "TITLE": "Cisco Web Security Appliance Decryption Policy Bypass Vulnerability"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Cisco Web Security Appliance (WSA) ", "version": {"version_data": [{"version_value": "10.1"}, {"version_value": "10.5"}]}}]}, "vendor_name": "Cisco"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A vulnerability in the Decryption Policy Default Action functionality of the Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to bypass a configured drop policy and allow traffic onto the network that should have been denied. The vulnerability is due to the incorrect handling of SSL-encrypted traffic when Decrypt for End-User Notification is disabled in the configuration. An attacker could exploit this vulnerability by sending a SSL connection through the affected device. A successful exploit could allow the attacker to bypass a configured drop policy to block specific SSL connections. Releases 10.1.x and 10.5.x are affected."}]}, "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": "5.8", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N ", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-400"}]}]}, "references": {"reference_data": [{"name": "20190206 Cisco Web Security Appliance Decryption Policy Bypass Vulnerability", "refsource": "CISCO", "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190206-wsa-bypass"}, {"name": "106904", "refsource": "BID", "url": "http://www.securityfocus.com/bid/106904"}]}, "source": {"advisory": "cisco-sa-20190206-wsa-bypass", "defect": [["CSCvm91630"]], "discovery": "INTERNAL"}}}}, "cveMetadata": {"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2019-1672", "datePublished": "2019-02-06T00:00:00", "dateReserved": "2018-12-06T00:00:00", "dateUpdated": "2019-02-09T10:57:01", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cisco:web_security_appliance:10.1.0-204:*:*:*:*:*:*:*", "matchCriteriaId": "AC71F9F5-B0BA-4415-A4C8-9D0B15732A54", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:web_security_appliance:10.5.2-072:*:*:*:*:*:*:*", "matchCriteriaId": "B8F218D6-2AF8-449B-8016-E0B8AAA362D9", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:web_security_appliance:11.5.1-fcs-115:*:*:*:*:*:*:*", "matchCriteriaId": "12479145-9933-4FB8-A479-AFB8A2C526EA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the Decryption Policy Default Action functionality of the Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to bypass a configured drop policy and allow traffic onto the network that should have been denied. The vulnerability is due to the incorrect handling of SSL-encrypted traffic when Decrypt for End-User Notification is disabled in the configuration. An attacker could exploit this vulnerability by sending a SSL connection through the affected device. A successful exploit could allow the attacker to bypass a configured drop policy to block specific SSL connections. Releases 10.1.x and 10.5.x are affected."}, {"lang": "es", "value": "Una vulnerabilidad en la funcionalidad Decryption Policy Default Action de Cisco Web Security Appliance (WSA) podr\u00eda permitir que un atacante remoto no autenticado omita una pol\u00edtica de anulaci\u00f3n configurada y permita el tr\u00e1fico en la red que deber\u00eda no estar permitido. Esta vulnerabilidad se debe a la gesti\u00f3n inadecuada del tr\u00e1fico cifrado por SSL cuando las notificaciones \"Decrypt for End-User\" est\u00e1n deshabilitadas en la configuraci\u00f3n. Un atacante podr\u00eda explotar esta vulnerabilidad enviando una conexi\u00f3n SSL a trav\u00e9s de un dispositivo afectado. Su explotaci\u00f3n con \u00e9xito podr\u00eda permitir que el atacante omita una pol\u00edtica de anulaci\u00f3n configurada para bloquear conexiones SSL concretas. Las versiones 10.1.x y 10.5.x se han visto afectadas."}], "id": "CVE-2019-1672", "lastModified": "2019-10-09T23:47:41.157", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "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": "NONE", "baseScore": 5.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "ykramarz@cisco.com", "type": "Secondary"}]}, "published": "2019-02-08T18:29:00.283", "references": [{"source": "ykramarz@cisco.com", "tags": ["Third Party Advisory"], "url": "http://www.securityfocus.com/bid/106904"}, {"source": "ykramarz@cisco.com", "tags": ["Third Party Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190206-wsa-bypass"}], "sourceIdentifier": "ykramarz@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-400"}], "source": "ykramarz@cisco.com", "type": "Secondary"}]}

{}