{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-09-30T03:38:37.106","vulnerabilities":[{"cve":{"id":"CVE-2021-3056","sourceIdentifier":"psirt@paloaltonetworks.com","published":"2021-11-10T17:15:09.553","lastModified":"2026-06-17T04:04:39.027","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A memory corruption vulnerability in Palo Alto Networks PAN-OS GlobalProtect Clientless VPN enables an authenticated attacker to execute arbitrary code with root user privileges during SAML authentication. 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 9.1.9; PAN-OS 10.0 versions earlier than PAN-OS 10.0.1. Prisma Access customers with Prisma Access 2.1 Preferred firewalls are impacted by this issue."},{"lang":"es","value":"Una vulnerabilidad de corrupción de memoria en Palo Alto Networks PAN-OS GlobalProtect Clientless VPN permite a un atacante autenticado ejecutar código arbitrario con privilegios de usuario root durante la autenticación SAML. Este problema afecta a: PAN-OS versiones 8.1 anteriores a PAN-OS 8.1.20; PAN-OS versiones 9.0 anteriores a PAN-OS 9.0.14; PAN-OS versiones 9.1 anteriores a PAN-OS 9.1.9; PAN-OS versiones 10.0 anteriores a PAN-OS 10.0.1. Los clientes de Prisma Access Prisma Access versión 2.1 con firewall Preferidos están afectados por este problema\n"}],"affected":[{"source":"psirt@paloaltonetworks.com","affectedData":[{"vendor":"Palo Alto Networks","product":"PAN-OS","versions":[{"version":"10.1.*","status":"unaffected"},{"version":"9.0","lessThan":"9.0.14","versionType":"custom","status":"affected","changes":[{"at":"9.0.14","status":"unaffected"}]},{"version":"8.1","lessThan":"8.1.20","versionType":"custom","status":"affected","changes":[{"at":"8.1.20","status":"unaffected"}]},{"version":"9.1","lessThan":"9.1.9","versionType":"custom","status":"affected","changes":[{"at":"9.1.9","status":"unaffected"}]},{"version":"10.0","lessThan":"10.0.1","versionType":"custom","status":"affected","changes":[{"at":"10.0.1","status":"unaffected"}]}]},{"vendor":"Palo Alto Networks","product":"Prisma Access","versions":[{"version":"2.2 all","status":"unaffected"},{"version":"2.1 Preferred","status":"affected"},{"version":"2.1 Innovation","status":"unaffected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"psirt@paloaltonetworks.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9},{"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:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:S/C:C/I:C/A:C","baseScore":8.5,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"SINGLE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":6.8,"impactScore":10.0,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"psirt@paloaltonetworks.com","type":"Secondary","description":[{"lang":"en","value":"CWE-120"}]},{"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: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":"9.1.9","matchCriteriaId":"5075D342-EE42-4659-BD55-2D9FE7496C34"},{"vulnerable":true,"criteria":"cpe:2.3:o:paloaltonetworks:pan-os:10.0.0:*:*:*:*:*:*:*","matchCriteriaId":"B16437C0-FDAA-45FB-B28B-12249F7B2F05"}]}]}],"references":[{"url":"https://security.paloaltonetworks.com/CVE-2021-3056","source":"psirt@paloaltonetworks.com","tags":["Vendor Advisory"]},{"url":"https://security.paloaltonetworks.com/CVE-2021-3056","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}