{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-29T20:28:57.726","vulnerabilities":[{"cve":{"id":"CVE-2021-3063","sourceIdentifier":"psirt@paloaltonetworks.com","published":"2021-11-10T17:15:10.507","lastModified":"2024-11-21T06:20:53.020","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"An improper handling of exceptional conditions vulnerability exists in Palo Alto Networks GlobalProtect portal and gateway interfaces that enables an unauthenticated network-based attacker to send specifically crafted traffic to a GlobalProtect interface that causes the service to stop responding. 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 8.1.21; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14-h4; PAN-OS 9.1 versions earlier than PAN-OS 9.1.11-h3; PAN-OS 10.0 versions earlier than PAN-OS 10.0.8-h4; PAN-OS 10.1 versions earlier than PAN-OS 10.1.3. Prisma Access customers are not impacted by this issue."},{"lang":"es","value":"Se presenta una vulnerabilidad de administración inapropiada de condiciones excepcionales en las interfaces de portal y puerta de enlace de Palo Alto Networks GlobalProtect que permite a un atacante no autenticado basado en la red enviar tráfico específicamente diseñado a una interfaz de GlobalProtect que cause que el servicio deje de responder. Los intentos repetidos de enviar esta petición resulta en una denegación de servicio a todos los servicios de PAN-OS, reiniciando el dispositivo y poniéndolo en modo de mantenimiento. Este problema afecta a: PAN-OS versiones 8.1 anteriores a PAN-OS 8.1.21; PAN-OS versiones 9.0 anteriores a PAN-OS 9.0.14-h4; PAN-OS versiones 9.1 anteriores a PAN-OS 9.1.11-h3; PAN-OS versiones 10.0 anteriores a PAN-OS 10.0.8-h4; PAN-OS versiones 10.1 anteriores a PAN-OS 10.1.3. Los clientes de Prisma Access no están afectados por este problema"}],"metrics":{"cvssMetricV31":[{"source":"psirt@paloaltonetworks.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:N/A:P","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"psirt@paloaltonetworks.com","type":"Secondary","description":[{"lang":"en","value":"CWE-755"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-755"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*","versionStartIncluding":"8.1.0","versionEndExcluding":"8.1.21","matchCriteriaId":"859B40E3-713E-4FB5-ACB1-0138D937E1B6"},{"vulnerable":true,"criteria":"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*","versionStartIncluding":"9.0.0","versionEndIncluding":"9.0.14","matchCriteriaId":"9E95975B-A993-48FE-BA16-C89BEB075CBE"},{"vulnerable":true,"criteria":"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*","versionStartIncluding":"9.1.0","versionEndIncluding":"9.1.11","matchCriteriaId":"7C95A07E-5F94-4907-A283-954B7924DA3A"},{"vulnerable":true,"criteria":"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*","versionStartIncluding":"10.0.0","versionEndIncluding":"10.0.8","matchCriteriaId":"6FAE26BA-0B27-4AE9-AFA3-33E16CEF7AB9"},{"vulnerable":true,"criteria":"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*","versionStartIncluding":"10.1.0","versionEndExcluding":"10.1.3","matchCriteriaId":"40AFDDF3-0AB4-4A18-93E9-01EE5BDE9D2E"}]}]}],"references":[{"url":"https://security.paloaltonetworks.com/CVE-2021-3063","source":"psirt@paloaltonetworks.com","tags":["Vendor Advisory"]},{"url":"https://security.paloaltonetworks.com/CVE-2021-3063","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}