CVE-2025-34491

{"id": "CVE-2025-34491", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2025-04-28T20:15:20.997", "references": [{"url": "https://frycos.github.io/vulns4free/2025/04/28/mailessentials.html", "tags": ["Exploit"], "source": "disclosure@vulncheck.com"}, {"url": "https://gfi.ai/products-and-solutions/network-security-solutions/mailessentials/resources/documentation/product-releases", "tags": ["Release Notes"], "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/gfi-mailessentials-multinode-insecure-deserialization", "source": "disclosure@vulncheck.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-502"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-502"}]}], "descriptions": [{"lang": "en", "value": "GFI MailEssentials prior to version 21.8 is vulnerable to a .NET deserialization issue. A remote and authenticated attacker can execute arbitrary code by sending crafted serialized .NET when joining to a Multi-Server setup."}, {"lang": "es", "value": "Las versiones anteriores a la 21.8 de GFI MailEssentials son vulnerables a un problema de deserializaci\u00f3n de .NET. Un atacante remoto y autenticado puede ejecutar c\u00f3digo arbitrario enviando un archivo .NET serializado y manipulado al unirse a una configuraci\u00f3n multiservidor."}], "lastModified": "2025-11-04T23:15:37.043", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gfi:mailessentials:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BF05D573-6502-4902-95CC-59E8F15A38FC", "versionEndExcluding": "21.8"}], "operator": "OR"}]}], "sourceIdentifier": "disclosure@vulncheck.com"}