CVE-2025-34491

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://frycos.github.io/vulns4free/2025/04/28/mailessentials.html", "name": "https://frycos.github.io/vulns4free/2025/04/28/mailessentials.html", "tags": ["Exploit"], "refsource": ""}, {"url": "https://gfi.ai/products-and-solutions/network-security-solutions/mailessentials/resources/documentation/product-releases", "name": "https://gfi.ai/products-and-solutions/network-security-solutions/mailessentials/resources/documentation/product-releases", "tags": ["Release Notes"], "refsource": ""}]}, "data_format": "MITRE", "description": {"description_data": [{"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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-502"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2025-34491", "ASSIGNER": "disclosure@vulncheck.com"}}, "impact": {"baseMetricV3": {"cvssV3": {"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}}, "publishedDate": "2025-04-28T20:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:gfi:mailessentials:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "21.8"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2025-05-10T00:58Z"}