{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-04T21:11:50.742","vulnerabilities":[{"cve":{"id":"CVE-2022-20737","sourceIdentifier":"psirt@cisco.com","published":"2022-05-03T04:15:09.183","lastModified":"2024-11-21T06:43:26.900","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability in the handler for HTTP authentication for resources accessed through the Clientless SSL VPN portal of Cisco Adaptive Security Appliance (ASA) Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device or to obtain portions of process memory from an affected device. This vulnerability is due to insufficient bounds checking when parsing specific HTTP authentication messages. An attacker could exploit this vulnerability by sending malicious traffic to an affected device acting as a VPN Gateway. To send this malicious traffic, an attacker would need to control a web server that can be accessed through the Clientless SSL VPN portal. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition, or to retrieve bytes from the device process memory that may contain sensitive information."},{"lang":"es","value":"Una vulnerabilidad en el administrador de la autenticación HTTP para los recursos a los que se accede a través del portal Clientless SSL VPN del software Cisco Adaptive Security Appliance (ASA) podría permitir a un atacante remoto autenticado causar una condición de denegación de servicio (DoS) en un dispositivo afectado u obtuviera partes de la memoria del proceso de un dispositivo afectado. Esta vulnerabilidad es debido a una comprobación insuficiente de los límites cuando son analizados determinados mensajes de autenticación HTTP. Un atacante podría explotar esta vulnerabilidad  mediante el envío de tráfico malicioso a un dispositivo afectado que actúe como puerta de enlace VPN. Para enviar este tráfico malicioso, un atacante necesitaría controlar un servidor web al que pueda accederse mediante el portal Clientless SSL VPN. Una explotación con éxito podría permitir al atacante causar la recarga del dispositivo, resultando en una condición DoS, o recuperar bytes de la memoria de proceso del dispositivo que podrían contener información confidencial"}],"metrics":{"cvssMetricV31":[{"source":"psirt@cisco.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H","baseScore":8.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.1,"impactScore":4.7},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":4.2}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:S/C:P/I:N/A:C","baseScore":7.0,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":6.8,"impactScore":7.8,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"psirt@cisco.com","type":"Secondary","description":[{"lang":"en","value":"CWE-122"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-787"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*","versionEndExcluding":"9.12.4.38","matchCriteriaId":"66C2579F-1E8B-4FB1-AA40-B164F4F2BBED"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*","versionStartIncluding":"9.13.0","versionEndExcluding":"9.14.4","matchCriteriaId":"FFE84A5D-FFD6-4A82-BDFA-367D29625300"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*","versionStartIncluding":"9.15.0","versionEndExcluding":"9.15.1.21","matchCriteriaId":"7B120E68-DA48-4B87-A549-6BA7009C056D"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*","versionStartIncluding":"9.16.0","versionEndExcluding":"9.16.2.14","matchCriteriaId":"99DD72E2-E389-453E-8A99-1B633C4E2AE3"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*","versionStartIncluding":"9.17.0","versionEndExcluding":"9.17.1.7","matchCriteriaId":"573E61F7-8311-4095-BD75-8F3D3E2499E5"}]}]}],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-ssl-vpn-heap-zLX3FdX","source":"psirt@cisco.com","tags":["Vendor Advisory"]},{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-ssl-vpn-heap-zLX3FdX","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}