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CVE-2021-33724

Estado: ModificadaCrítica (9.1)—

A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP2 Update 1). The affected system contains an Arbitrary File Deletion vulnerability that possibly allows to delete an arbitrary file or directory under a user controlled path.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Siemens — Sinec NMS

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-33724",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.1,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "productcert@siemens.com",
      "affectedData": [
        {
          "vendor": "Siemens",
          "product": "SINEC NMS",
          "versions": [
            {
              "status": "affected",
              "version": "All versions < V1.0 SP2 Update 1"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-10-12T10:15:11.817",
  "references": [
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-163251.pdf",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "productcert@siemens.com"
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-163251.pdf",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "productcert@siemens.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP2 Update 1). The affected system contains an Arbitrary File Deletion vulnerability that possibly allows to delete an arbitrary file or directory under a user controlled path."
    },
    {
      "lang": "es",
      "value": "Se ha identificado una vulnerabilidad en SINEC NMS (Todas las versiones anteriores a V1.0 SP2 Update 1). El sistema afectado contiene una vulnerabilidad de Eliminación de Archivos Arbitrarios que posiblemente permite eliminar un archivo o directorio arbitrario bajo una ruta controlada por el usuario"
    }
  ],
  "lastModified": "2026-06-17T03:55:06.703",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:siemens:sinec_nms:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2B59D696-F272-40DA-8DC6-423D9E5026C0",
              "versionEndExcluding": "1.0"
            },
            {
              "criteria": "cpe:2.3:a:siemens:sinec_nms:1.0:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4ED13FC8-63C0-42C6-A51C-C480C45327C2"
            },
            {
              "criteria": "cpe:2.3:a:siemens:sinec_nms:1.0:sp1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E68FE047-8F53-46B8-82D4-9342B1C8CA55"
            },
            {
              "criteria": "cpe:2.3:a:siemens:sinec_nms:1.0:sp2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5F2C66EC-5A29-4B92-AEDB-7DB8A5CA7391"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "productcert@siemens.com"
}