{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-19T02:46:07.626","vulnerabilities":[{"cve":{"id":"CVE-2021-3055","sourceIdentifier":"psirt@paloaltonetworks.com","published":"2021-09-08T17:15:12.337","lastModified":"2024-11-21T06:20:51.793","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"An improper restriction of XML external entity (XXE) reference vulnerability in the Palo Alto Networks PAN-OS web interface enables an authenticated administrator to read any arbitrary file from the file system and send a specifically crafted request to the firewall that causes the service to crash. Repeated attempts to send this request result in denial of service to all PAN-OS services by restarting the device and putting it into maintenance mode. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.10; PAN-OS 10.0 versions earlier than PAN-OS 10.0.6. This issue does not affect Prisma Access."},{"lang":"es","value":"Una vulnerabilidad de restricción inapropiada de tipo XML external entity (XXE) en la interfaz web de Palo Alto Networks PAN-OS permite a un administrador autenticado leer cualquier archivo arbitrario del sistema de archivos y enviar una petición específicamente diseñada al firewall que cause el bloqueo del servicio. Los intentos repetidos de enviar esta petición resultarán en una denegación de servicio de todos los servicios de PAN-OS, al reiniciar el dispositivo y poniéndolo en modo de mantenimiento. Este problema afecta a: PAN-OS versión 8.1 anteriores a PAN-OS 8.1.20; PAN-OS versión 9.0 anteriores a PAN-OS 9.0.14; PAN-OS versión 9.1 anteriores a PAN-OS 9.1.10; PAN-OS versión 10.0 anteriores a PAN-OS 10.0.6. Este problema no afecta a Prisma Access"}],"metrics":{"cvssMetricV31":[{"source":"psirt@paloaltonetworks.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.2,"impactScore":5.2},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.2,"impactScore":5.2}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:N/A:C","baseScore":7.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":8.0,"impactScore":7.8,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"psirt@paloaltonetworks.com","type":"Secondary","description":[{"lang":"en","value":"CWE-611"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-611"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*","versionStartIncluding":"8.1.0","versionEndExcluding":"8.1.20","matchCriteriaId":"97BB12BB-096E-4CCD-B5F4-55900801DF74"},{"vulnerable":true,"criteria":"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*","versionStartIncluding":"9.0.0","versionEndExcluding":"9.0.14","matchCriteriaId":"E9EE274A-3AF1-4204-B43D-1EA54C6442CC"},{"vulnerable":true,"criteria":"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*","versionStartIncluding":"9.1.0","versionEndExcluding":"9.1.10","matchCriteriaId":"6EED4206-00CC-449A-9681-612EC258CCEF"},{"vulnerable":true,"criteria":"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*","versionStartIncluding":"10.0.0","versionEndExcluding":"10.0.6","matchCriteriaId":"F1E99AF9-C4D4-4F8F-8FE3-2580F47B97C7"}]}]}],"references":[{"url":"https://security.paloaltonetworks.com/CVE-2021-3055","source":"psirt@paloaltonetworks.com","tags":["Vendor Advisory"]},{"url":"https://security.paloaltonetworks.com/CVE-2021-3055","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}