CVE-2020-2040

{"containers": {"cna": {"affected": [{"product": "PAN-OS", "vendor": "Palo Alto Networks", "versions": [{"status": "affected", "version": "8.0.*"}, {"changes": [{"at": "9.0.9", "status": "unaffected"}], "lessThan": "9.0.9", "status": "affected", "version": "9.0", "versionType": "custom"}, {"changes": [{"at": "9.1.3", "status": "unaffected"}], "lessThan": "9.1.3", "status": "affected", "version": "9.1", "versionType": "custom"}, {"changes": [{"at": "8.1.15", "status": "unaffected"}], "lessThan": "8.1.15", "status": "affected", "version": "8.1", "versionType": "custom"}, {"lessThan": "10.0*", "status": "unaffected", "version": "10.0.0", "versionType": "custom"}]}], "configurations": [{"lang": "en", "value": "This issue is applicable only where either Captive Portal or Multi-Factor Authentication (MFA) is enabled."}], "credits": [{"lang": "en", "value": "This issue was found by Yamata Li of Palo Alto Networks during internal security review."}], "datePublic": "2020-09-09T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "A buffer overflow vulnerability in PAN-OS allows an unauthenticated attacker to disrupt system processes and potentially execute arbitrary code with root privileges by sending a malicious request to the Captive Portal or Multi-Factor Authentication interface. This issue impacts: All versions of PAN-OS 8.0; PAN-OS 8.1 versions earlier than PAN-OS 8.1.15; PAN-OS 9.0 versions earlier than PAN-OS 9.0.9; PAN-OS 9.1 versions earlier than PAN-OS 9.1.3."}], "exploits": [{"lang": "en", "value": "Palo Alto Networks is not aware of any malicious attempts to exploit this vulnerability."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-120", "description": "CWE-120 Buffer Overflow", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-09-09T16:45:27.000Z", "orgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0", "shortName": "palo_alto"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://security.paloaltonetworks.com/CVE-2020-2040"}], "solutions": [{"lang": "en", "value": "This issue is fixed in PAN-OS 8.1.15, PAN-OS 9.0.9, PAN-OS 9.1.3, and all later PAN-OS versions.\n\nAll Prisma Access services are now upgraded to resolve this issue and are no longer vulnerable.\n\nPAN-OS 7.1 and 8.0 are end-of-life and are no longer covered by our Product Security Assurance policies."}], "source": {"defect": ["PAN-145149", "PAN-145150", "PAN-145151", "PAN-145195"], "discovery": "INTERNAL"}, "timeline": [{"lang": "en", "time": "2020-09-09T00:00:00.000Z", "value": "Initial publication"}], "title": "PAN-OS: Buffer overflow when Captive Portal or Multi-Factor Authentication (MFA) is enabled", "workarounds": [{"lang": "en", "value": "Until PAN-OS software is upgraded to a fixed version, enabling signatures in content update version 8317 will block attacks against CVE-2020-2040."}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@paloaltonetworks.com", "DATE_PUBLIC": "2020-09-09T16:00:00.000Z", "ID": "CVE-2020-2040", "STATE": "PUBLIC", "TITLE": "PAN-OS: Buffer overflow when Captive Portal or Multi-Factor Authentication (MFA) is enabled"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "PAN-OS", "version": {"version_data": [{"version_affected": "<", "version_name": "9.0", "version_value": "9.0.9"}, {"version_affected": "<", "version_name": "9.1", "version_value": "9.1.3"}, {"version_affected": "<", "version_name": "8.1", "version_value": "8.1.15"}, {"version_affected": "!>=", "version_name": "9.0", "version_value": "9.0.9"}, {"version_affected": "!>=", "version_name": "9.1", "version_value": "9.1.3"}, {"version_affected": "!>=", "version_name": "8.1", "version_value": "8.1.15"}, {"version_affected": "=", "version_name": "8.0", "version_value": "8.0.*"}, {"version_affected": "!>=", "version_name": "10.0", "version_value": "10.0.0"}]}}]}, "vendor_name": "Palo Alto Networks"}]}}, "configuration": [{"lang": "en", "value": "This issue is applicable only where either Captive Portal or Multi-Factor Authentication (MFA) is enabled."}], "credit": [{"lang": "eng", "value": "This issue was found by Yamata Li of Palo Alto Networks during internal security review."}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A buffer overflow vulnerability in PAN-OS allows an unauthenticated attacker to disrupt system processes and potentially execute arbitrary code with root privileges by sending a malicious request to the Captive Portal or Multi-Factor Authentication interface. This issue impacts: All versions of PAN-OS 8.0; PAN-OS 8.1 versions earlier than PAN-OS 8.1.15; PAN-OS 9.0 versions earlier than PAN-OS 9.0.9; PAN-OS 9.1 versions earlier than PAN-OS 9.1.3."}]}, "exploit": [{"lang": "en", "value": "Palo Alto Networks is not aware of any malicious attempts to exploit this vulnerability."}], "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-120 Buffer Overflow"}]}]}, "references": {"reference_data": [{"name": "https://security.paloaltonetworks.com/CVE-2020-2040", "refsource": "MISC", "url": "https://security.paloaltonetworks.com/CVE-2020-2040"}]}, "solution": [{"lang": "en", "value": "This issue is fixed in PAN-OS 8.1.15, PAN-OS 9.0.9, PAN-OS 9.1.3, and all later PAN-OS versions.\n\nAll Prisma Access services are now upgraded to resolve this issue and are no longer vulnerable.\n\nPAN-OS 7.1 and 8.0 are end-of-life and are no longer covered by our Product Security Assurance policies."}], "source": {"defect": ["PAN-145149", "PAN-145150", "PAN-145151", "PAN-145195"], "discovery": "INTERNAL"}, "timeline": [{"lang": "en", "time": "2020-09-09T00:00:00.000Z", "value": "Initial publication"}], "work_around": [{"lang": "en", "value": "Until PAN-OS software is upgraded to a fixed version, enabling signatures in content update version 8317 will block attacks against CVE-2020-2040."}]}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T06:54:00.636Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://security.paloaltonetworks.com/CVE-2020-2040"}]}]}, "cveMetadata": {"assignerOrgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0", "assignerShortName": "palo_alto", "cveId": "CVE-2020-2040", "datePublished": "2020-09-09T16:45:27.805Z", "dateReserved": "2019-12-04T00:00:00.000Z", "dateUpdated": "2024-09-16T22:40:15.121Z", "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": "9.0.9", "status": "unaffected"}], "lessThan": "9.0.9", "status": "affected", "version": "9.0", "versionType": "custom"}, {"changes": [{"at": "9.1.3", "status": "unaffected"}], "lessThan": "9.1.3", "status": "affected", "version": "9.1", "versionType": "custom"}, {"changes": [{"at": "8.1.15", "status": "unaffected"}], "lessThan": "8.1.15", "status": "affected", "version": "8.1", "versionType": "custom"}, {"lessThan": "10.0*", "status": "unaffected", "version": "10.0.0", "versionType": "custom"}]}], "source": "psirt@paloaltonetworks.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"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": "6116C706-6AC7-476D-9624-C0D4BE3D497A", "versionEndExcluding": "8.1.15", "versionStartIncluding": "8.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*", "matchCriteriaId": "6D6E8B99-4150-4AE8-A580-08AC71F64760", "versionEndExcluding": "9.0.9", "versionStartIncluding": "9.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*", "matchCriteriaId": "4E9F14E9-3CD7-443B-9D97-254E917FA22B", "versionEndExcluding": "9.1.3", "versionStartIncluding": "9.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A buffer overflow vulnerability in PAN-OS allows an unauthenticated attacker to disrupt system processes and potentially execute arbitrary code with root privileges by sending a malicious request to the Captive Portal or Multi-Factor Authentication interface. This issue impacts: All versions of PAN-OS 8.0; PAN-OS 8.1 versions earlier than PAN-OS 8.1.15; PAN-OS 9.0 versions earlier than PAN-OS 9.0.9; PAN-OS 9.1 versions earlier than PAN-OS 9.1.3."}, {"lang": "es", "value": "Una vulnerabilidad de desbordamiento de b\u00fafer en PAN-OS permite a un atacante no autenticado interrumpir los procesos del sistema y potencialmente ejecutar c\u00f3digo arbitrario con privilegios root al enviar una petici\u00f3n maliciosa al portal cautivo o la interfaz de autenticaci\u00f3n multifactor. Este problema impacta a: todas las Versiones PAN-OS 8.0; Versiones PAN-OS 8.1 anteriores a PAN-OS 8.1.15; Versiones PAN-OS 9.0 anteriores a PAN-OS 9.0.9; Versiones PAN-OS 9.1 anteriores a PAN-OS 9.1.3."}], "id": "CVE-2020-2040", "lastModified": "2026-06-17T03:11:42.043", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "psirt@paloaltonetworks.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-09-09T17:15:25.900", "references": [{"source": "psirt@paloaltonetworks.com", "tags": ["Vendor Advisory"], "url": "https://security.paloaltonetworks.com/CVE-2020-2040"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://security.paloaltonetworks.com/CVE-2020-2040"}], "sourceIdentifier": "psirt@paloaltonetworks.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "psirt@paloaltonetworks.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-120"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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