github - ghsa-fqqj-qgxm-vg3x

ghsa-fqqj-qgxm-vg3x

Vulnerability from github

Published

2025-04-28 21:30

Modified

2025-04-28 21:30

Severity ?

8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

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.

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2025-34491"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-502"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-04-28T20:15:20Z",
    "severity": "HIGH"
  },
  "details": "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.",
  "id": "GHSA-fqqj-qgxm-vg3x",
  "modified": "2025-04-28T21:30:43Z",
  "published": "2025-04-28T21:30:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-34491"
    },
    {
      "type": "WEB",
      "url": "https://frycos.github.io/vulns4free/2025/04/28/mailessentials.html"
    },
    {
      "type": "WEB",
      "url": "https://gfi.ai/products-and-solutions/network-security-solutions/mailessentials/resources/documentation/product-releases"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2025-34491

Vulnerability from cvelistv5

Published

2025-04-28 19:20

Modified

2025-04-28 19:41

Severity ?

8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

GFI MailEssentials MultiNode Insecure Deserialization

References

▼	URL	Tags
	https://frycos.github.io/vulns4free/2025/04/28/mailessentials.html	technical-description, exploit
	https://gfi.ai/products-and-solutions/network-security-solutions/mailessentials/resources/documentation/product-releases	vendor-advisory

Impacted products

▼	Vendor	Product
	GFI	MailEssentials

Show details on NVD website

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  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-34491",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-28T19:40:48.422365Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-28T19:41:07.044Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "MailEssentials",
          "vendor": "GFI",
          "versions": [
            {
              "lessThan": "21.8",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Frycos"
        }
      ],
      "descriptions": [
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          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "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."
            }
          ],
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        }
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          "capecId": "CAPEC-586",
          "descriptions": [
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              "lang": "en",
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
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      "problemTypes": [
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          "descriptions": [
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              "lang": "en",
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          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2025-04-28T19:20:02.027Z",
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          "url": "https://frycos.github.io/vulns4free/2025/04/28/mailessentials.html"
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          "tags": [
            "vendor-advisory"
          ],
          "url": "https://gfi.ai/products-and-solutions/network-security-solutions/mailessentials/resources/documentation/product-releases"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "GFI MailEssentials MultiNode Insecure Deserialization",
      "x_generator": {
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  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2025-34491",
    "datePublished": "2025-04-28T19:20:02.027Z",
    "dateReserved": "2025-04-15T19:15:22.611Z",
    "dateUpdated": "2025-04-28T19:41:07.044Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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