{
  "document": {
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE"
      }
    },
    "lang": "nl",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this page to enhance access to its information and security advisories. The use of this security advisory is subject to the following terms and conditions:\n\n    NCSC-NL makes every reasonable effort to ensure that the content of this page is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or continuous keeping up-to-date. The information contained in this security advisory is intended solely for the purpose of providing general information to professional users. No rights can be derived from the information provided therein.\n\n    NCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of this security advisory. This includes damage resulting from the inaccuracy of incompleteness of the information contained in the advisory.\n    This security advisory is subject to Dutch law. All disputes related to or arising from the use of this advisory will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings."
      },
      {
        "category": "description",
        "text": "SmarterTools heeft een kwetsbaarheid verholpen in SmarterMail.",
        "title": "Feiten"
      },
      {
        "category": "description",
        "text": "De kwetsbaarheid stelt een ongeauthenticeerde kwaadwillende op afstand in staat om willekeurige bestanden naar de mailserver te uploaden. Op deze manier kan de kwaadwillende onder andere code op de kwetsbare mailserver uitvoeren en toegang krijgen tot gegevens die op deze server zijn opgeslagen.",
        "title": "Interpretaties"
      },
      {
        "category": "description",
        "text": "SmarterTools heeft beveiligingsupdates uitgebracht om de kwetsbaarheid te verhelpen in SmarterMail Build 9413. Lees het beveiligingsadvies van CSA Singapore voor meer informatie.",
        "title": "Oplossingen"
      },
      {
        "category": "general",
        "text": "medium",
        "title": "Kans"
      },
      {
        "category": "general",
        "text": "high",
        "title": "Schade"
      },
      {
        "category": "general",
        "text": "Unrestricted Upload of File with Dangerous Type",
        "title": "CWE-434"
      }
    ],
    "publisher": {
      "category": "coordinator",
      "contact_details": "cert@ncsc.nl",
      "name": "Nationaal Cyber Security Centrum",
      "namespace": "https://www.ncsc.nl/"
    },
    "references": [
      {
        "category": "external",
        "summary": "Reference",
        "url": "https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2025-124/"
      }
    ],
    "title": "Kwetsbaarheid verholpen in SmarterMail",
    "tracking": {
      "current_release_date": "2025-12-31T14:19:01.847364Z",
      "generator": {
        "date": "2025-08-04T16:30:00Z",
        "engine": {
          "name": "V.A.",
          "version": "1.3"
        }
      },
      "id": "NCSC-2025-0404",
      "initial_release_date": "2025-12-31T14:19:01.847364Z",
      "revision_history": [
        {
          "date": "2025-12-31T14:19:01.847364Z",
          "number": "1.0.0",
          "summary": "Initiele versie"
        }
      ],
      "status": "final",
      "version": "1.0.0"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:unknown/*",
                "product": {
                  "name": "vers:unknown/*",
                  "product_id": "CSAFPID-1"
                }
              }
            ],
            "category": "product_name",
            "name": "SmarterMail"
          }
        ],
        "category": "vendor",
        "name": "SmarterTools"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-52691",
      "cwe": {
        "id": "CWE-434",
        "name": "Unrestricted Upload of File with Dangerous Type"
      },
      "notes": [
        {
          "category": "other",
          "text": "Unrestricted Upload of File with Dangerous Type",
          "title": "CWE-434"
        },
        {
          "category": "description",
          "text": "A vulnerability exists that allows unauthenticated attackers to upload arbitrary files to the mail server, potentially leading to remote code execution.",
          "title": "Summary"
        },
        {
          "category": "general",
          "text": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N",
          "title": "CVSSV4"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2025-52691 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2025/cve-2025-52691.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 10.0,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-1"
          ]
        }
      ],
      "title": "CVE-2025-52691"
    }
  ]
}