CVE-2020-2002

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This affects all forms of authentication that use a Kerberos authentication profile. A man-in-the-middle type of attacker with the ability to intercept communication between PAN-OS and KDC can login to PAN-OS as an administrator. This issue affects: PAN-OS 7.1 versions earlier than 7.1.26; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.6; All version of PAN-OS 8.0."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-290", "description": "CWE-290 Authentication Bypass by Spoofing", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-05-14T15:40:56.000Z", "orgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0", "shortName": "palo_alto"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://security.paloaltonetworks.com/CVE-2020-2002"}], "solutions": [{"lang": "en", "value": "This issue is fixed in PAN-OS 7.1.26, PAN-OS 8.1.13, PAN-OS 9.0.6, and all later PAN-OS versions.\n\nPAN-OS 8.0 is now end-of-life as of October 31, 2019, and is no longer covered by our Product Security Assurance policies."}], "source": {"defect": ["PAN-118957"], "discovery": "EXTERNAL"}, "timeline": [{"lang": "en", "time": "2020-05-13T00:00:00.000Z", "value": "Initial publication"}], "title": "PAN-OS: Spoofed Kerberos key distribution center authentication bypass", "workarounds": [{"lang": "en", "value": "Ensure that PAN-OS communicates to Kerberos server over a secured network with access restricted to trusted users.\n\nPlease review the Best Practices for Securing Administrative Access in the PAN-OS technical documentation, available at: https://docs.paloaltonetworks.com."}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@paloaltonetworks.com", "DATE_PUBLIC": "2020-05-13T16:00:00.000Z", "ID": "CVE-2020-2002", "STATE": "PUBLIC", "TITLE": "PAN-OS: Spoofed Kerberos key distribution center authentication bypass"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "PAN-OS", "version": {"version_data": [{"version_affected": "<", "version_name": "8.1", "version_value": "8.1.13"}, {"version_affected": "<", "version_name": "9.0", "version_value": "9.0.6"}, {"version_affected": "<", "version_name": "7.1", "version_value": "7.1.26"}, {"version_affected": "!>=", "version_name": "8.1", "version_value": "8.1.13"}, {"version_affected": "!>=", "version_name": "9.0", "version_value": "9.0.6"}, {"version_affected": "!>=", "version_name": "7.1", "version_value": "7.1.26"}, {"version_affected": "=", "version_name": "8.0", "version_value": "8.0.*"}]}}]}, "vendor_name": "Palo Alto Networks"}]}}, "credit": [{"lang": "eng", "value": "Palo Alto Networks would like to thank Yoav Iellin, Yaron Kassner, and Rotem Zach from Silverfort for discovering and reporting this issue."}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An authentication bypass by spoofing vulnerability exists in the authentication daemon and User-ID components of Palo Alto Networks PAN-OS by failing to verify the integrity of the Kerberos key distribution center (KDC) before authenticating users. This affects all forms of authentication that use a Kerberos authentication profile. A man-in-the-middle type of attacker with the ability to intercept communication between PAN-OS and KDC can login to PAN-OS as an administrator. This issue affects: PAN-OS 7.1 versions earlier than 7.1.26; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.6; All version of PAN-OS 8.0."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-290 Authentication Bypass by Spoofing"}]}]}, "references": {"reference_data": [{"name": "https://security.paloaltonetworks.com/CVE-2020-2002", "refsource": "MISC", "url": "https://security.paloaltonetworks.com/CVE-2020-2002"}]}, "solution": [{"lang": "en", "value": "This issue is fixed in PAN-OS 7.1.26, PAN-OS 8.1.13, PAN-OS 9.0.6, and all later PAN-OS versions.\n\nPAN-OS 8.0 is now end-of-life as of October 31, 2019, and is no longer covered by our Product Security Assurance policies."}], "source": {"defect": ["PAN-118957"], "discovery": "EXTERNAL"}, "timeline": [{"lang": "en", "time": "2020-05-13T00:00:00.000Z", "value": "Initial publication"}], "work_around": [{"lang": "en", "value": "Ensure that PAN-OS communicates to Kerberos server over a secured network with access restricted to trusted users.\n\nPlease review the Best Practices for Securing Administrative Access in the PAN-OS technical documentation, available at: https://docs.paloaltonetworks.com."}]}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T06:54:00.539Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://security.paloaltonetworks.com/CVE-2020-2002"}]}]}, "cveMetadata": {"assignerOrgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0", "assignerShortName": "palo_alto", "cveId": "CVE-2020-2002", "datePublished": "2020-05-13T19:07:14.142Z", "dateReserved": "2019-12-04T00:00:00.000Z", "dateUpdated": "2024-09-17T04:03:36.143Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "PAN-OS", "vendor": "Palo Alto Networks", "versions": [{"status": "affected", "version": "8.0.*"}, {"changes": [{"at": "8.1.13", "status": "unaffected"}], "lessThan": "8.1.13", "status": "affected", "version": "8.1", "versionType": "custom"}, {"changes": [{"at": "9.0.6", "status": "unaffected"}], "lessThan": "9.0.6", "status": "affected", "version": "9.0", "versionType": "custom"}, {"changes": [{"at": "7.1.26", "status": "unaffected"}], "lessThan": "7.1.26", "status": "affected", "version": "7.1", "versionType": "custom"}]}], "source": "psirt@paloaltonetworks.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*", "matchCriteriaId": "C7F96FF9-52CD-4906-A742-AA418D5015C0", "versionEndExcluding": "7.1.26", "versionStartIncluding": "7.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*", "matchCriteriaId": "2BEFBF38-AF84-4477-A6B9-5BDD51D54F4F", "versionEndIncluding": "8.0.20", "versionStartIncluding": "8.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*", "matchCriteriaId": "FE88801C-4736-4FCF-90A4-4B4D72774502", "versionEndExcluding": "8.1.13", "versionStartIncluding": "8.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*", "matchCriteriaId": "B6B860AF-A793-4ED4-8D35-1D69E2F16A3E", "versionEndExcluding": "9.0.6", "versionStartIncluding": "9.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An authentication bypass by spoofing vulnerability exists in the authentication daemon and User-ID components of Palo Alto Networks PAN-OS by failing to verify the integrity of the Kerberos key distribution center (KDC) before authenticating users. This affects all forms of authentication that use a Kerberos authentication profile. A man-in-the-middle type of attacker with the ability to intercept communication between PAN-OS and KDC can login to PAN-OS as an administrator. This issue affects: PAN-OS 7.1 versions earlier than 7.1.26; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.6; All version of PAN-OS 8.0."}, {"lang": "es", "value": "Existe una vulnerabilidad de omisi\u00f3n de autenticaci\u00f3n mediante suplantaci\u00f3n de identidad en el daemon de autenticaci\u00f3n y los componentes de ID de usuario de PAN-OS de Palo Alto Networks al no verificar la integridad del centro de distribuci\u00f3n de claves (KDC) Kerberos antes de autenticar a los usuarios. Esto afecta a todas las formas de autenticaci\u00f3n que usan un perfil de autenticaci\u00f3n Kerberos. Un atacante de tipo intermediario con la capacidad de interceptar la comunicaci\u00f3n entre PAN-OS y KDC puede iniciar sesi\u00f3n en PAN-OS como administrador. Este problema afecta: PAN-OS 7.1 versiones anteriores a la versi\u00f3n 7.1.26; PAN-OS 8.1 versiones anteriores a la versi\u00f3n 8.1.13; PAN-OS 9.0 versiones anteriores a la versi\u00f3n 9.0.6; Todas las versiones de PAN-OS 8.0."}], "id": "CVE-2020-2002", "lastModified": "2026-06-17T03:11:36.240", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "psirt@paloaltonetworks.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-05-13T19:15:12.987", "references": [{"source": "psirt@paloaltonetworks.com", "tags": ["Vendor Advisory"], "url": "https://security.paloaltonetworks.com/CVE-2020-2002"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://security.paloaltonetworks.com/CVE-2020-2002"}], "sourceIdentifier": "psirt@paloaltonetworks.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-290"}], "source": "psirt@paloaltonetworks.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-290"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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