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FKIE_CVE-2021-20703

Vulnerability from fkie_nvd - Published: 2021-11-03 00:15 - Updated: 2026-06-17 03:34
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Buffer overflow vulnerability in the Transaction Server CLUSTERPRO X 4.3 for Windows and earlier, EXPRESSCLUSTER X 4.3 for Windows and earlier, CLUSTERPRO X 4.3 SingleServerSafe for Windows and earlier, EXPRESSCLUSTER X 4.3 SingleServerSafe for Windows and earlier allows attacker to remote code execution via a network.
References
psirt-info@cyber.jp.nec.comhttps://jpn.nec.com/security-info/secinfo/nv21-015_en.html
af854a3a-2127-422b-91ae-364da2661108https://jpn.nec.com/security-info/secinfo/nv21-015_en.html
Impacted products
Vendor Product Version
nec clusterpro_x *
nec clusterpro_x_singleserversafe *
nec expresscluster_x *
nec expresscluster_x_singleserversafe *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "CLUSTERPRO X",
          "vendor": "NEC Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "CLUSTERPRO X 4.3 for Windows and earlier, EXPRESSCLUSTER X 4.3 for Windows and earlier, CLUSTERPRO X 4.3 SingleServerSafe for Windows and earlier, EXPRESSCLUSTER X 4.3 SingleServerSafe for Windows and earlier"
            }
          ]
        }
      ],
      "source": "psirt-info@cyber.jp.nec.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nec:clusterpro_x:*:*:*:*:*:windows:*:*",
              "matchCriteriaId": "109DED36-3D51-4EDF-8187-63F3415BC2B7",
              "versionEndIncluding": "4.3",
              "versionStartIncluding": "1.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nec:clusterpro_x_singleserversafe:*:*:*:*:*:windows:*:*",
              "matchCriteriaId": "AADFE051-D950-4027-B9C4-EB53B3881001",
              "versionEndIncluding": "4.3",
              "versionStartIncluding": "1.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nec:expresscluster_x:*:*:*:*:*:windows:*:*",
              "matchCriteriaId": "EBD9B299-1A5E-4329-BC51-606A0EF00822",
              "versionEndIncluding": "4.3",
              "versionStartIncluding": "1.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nec:expresscluster_x_singleserversafe:*:*:*:*:*:windows:*:*",
              "matchCriteriaId": "5717B4C8-9622-4A08-9E29-E6B66800CE99",
              "versionEndIncluding": "4.3",
              "versionStartIncluding": "1.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow vulnerability in the Transaction Server CLUSTERPRO X 4.3 for Windows and earlier, EXPRESSCLUSTER X 4.3 for Windows and earlier, CLUSTERPRO X 4.3 SingleServerSafe for Windows and earlier, EXPRESSCLUSTER X 4.3 SingleServerSafe for Windows and earlier allows attacker to remote code execution via a network."
    },
    {
      "lang": "es",
      "value": "La vulnerabilidad de desbordamiento del b\u00fafer en el Servidor de Transacciones CLUSTERPRO X 4.3 para Windows y anteriores, EXPRESSCLUSTER X 4.3 para Windows y anteriores, CLUSTERPRO X 4.3 SingleServerSafe para Windows y anteriores, EXPRESSCLUSTER X 4.3 SingleServerSafe para Windows y anteriores permite a un atacante la ejecuci\u00f3n remota de c\u00f3digo a trav\u00e9s de una red"
    }
  ],
  "id": "CVE-2021-20703",
  "lastModified": "2026-06-17T03:34:17.257",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "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"
      }
    ]
  },
  "published": "2021-11-03T00:15:07.797",
  "references": [
    {
      "source": "psirt-info@cyber.jp.nec.com",
      "url": "https://jpn.nec.com/security-info/secinfo/nv21-015_en.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://jpn.nec.com/security-info/secinfo/nv21-015_en.html"
    }
  ],
  "sourceIdentifier": "psirt-info@cyber.jp.nec.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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