CVE-2025-34328

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{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "AudioCodes Fax/IVR Appliance", "vendor": "AudioCodes Limited", "versions": [{"lessThanOrEqual": "2.6.23", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "disclosure@vulncheck.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:audiocodes:fax_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "A325B684-937A-4AE9-A8B2-235ADB2D1932", "versionEndIncluding": "2.6.23", "vulnerable": true}, {"criteria": "cpe:2.3:a:audiocodes:interactive_voice_response:*:*:*:*:*:*:*:*", "matchCriteriaId": "131420AA-FE49-42FC-A8EC-50C5EB40D3A3", "versionEndIncluding": "2.6.23", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [{"sourceIdentifier": "disclosure@vulncheck.com", "tags": ["unsupported-when-assigned"]}], "descriptions": [{"lang": "en", "value": "AudioCodes Fax Server and Auto-Attendant IVR appliances versions up to and including 2.6.23 include a web administration component (F2MAdmin) that exposes an unauthenticated script-management endpoint at AudioCodes_files/utils/IVR/diagram/ajaxScript.php. The saveScript action writes attacker-supplied data directly to a server-side file path under the privileges of the web service account, which runs as NT AUTHORITY\\\\SYSTEM on Windows deployments. A remote, unauthenticated attacker can write arbitrary files into the product\u2019s web-accessible directory structure and subsequently execute them."}, {"lang": "es", "value": "Los dispositivos AudioCodes Fax Server y Auto-Attendant IVR versiones hasta e incluyendo 2.6.23 incluyen un componente de administraci\u00f3n web (F2MAdmin) que expone un endpoint de gesti\u00f3n de scripts no autenticado en AudioCodes_files/utils/IVR/diagram/ajaxScript.php. La acci\u00f3n saveScript escribe datos suministrados por el atacante directamente a una ruta de archivo del lado del servidor bajo los privilegios de la cuenta del servicio web, que se ejecuta como NT AUTHORITY\\\\SYSTEM en implementaciones de Windows. Un atacante remoto y no autenticado puede escribir archivos arbitrarios en la estructura de directorios accesible por web del producto y posteriormente ejecutarlos."}], "id": "CVE-2025-34328", "lastModified": "2026-10-18T20:10:00.110", "metrics": {"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": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.3, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-34328", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-11-19T19:47:00.698572Z", "version": "2.0.3"}}]}, "published": "2025-11-19T17:15:47.420", "references": [{"source": "disclosure@vulncheck.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://pierrekim.github.io/advisories/2025-audiocodes-fax-ivr.txt"}, {"source": "disclosure@vulncheck.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://pierrekim.github.io/blog/2025-11-20-audiocodes-fax-ivr-8-vulnerabilities.html"}, {"source": "disclosure@vulncheck.com", "tags": ["Product"], "url": "https://www.audiocodes.com/media/g1in2u2o/0548-product-notice-end-of-service-for-audiocodes-auto-attendant-ivr-solution.pdf"}, {"source": "disclosure@vulncheck.com", "tags": ["Third Party Advisory"], "url": "https://www.vulncheck.com/advisories/audiocodes-fax-ivr-appliance-unauthenticated-file-upload-rce-via-ajaxscript"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-434"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

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