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CVE-2021-44524

Estado: ModificadaCrítica (9.8)—

A vulnerability has been identified in SiPass integrated V2.76 (All versions), SiPass integrated V2.80 (All versions), SiPass integrated V2.85 (All versions), Siveillance Identity V1.5 (All versions), Siveillance Identity V1.6 (All versions < V1.6.284.0). Affected applications insufficiently limit the access to the internal user authentication service. This could allow an unauthenticated remote attacker to trigger several actions on behalf of valid user accounts.

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 (2)

Siemens — Sipass IntegratedSiemens — Siveillance Identity

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-44524",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "productcert@siemens.com",
      "affectedData": [
        {
          "vendor": "Siemens",
          "product": "SiPass integrated V2.76",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SiPass integrated V2.80",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SiPass integrated V2.85",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "Siveillance Identity V1.5",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "Siveillance Identity V1.6",
          "versions": [
            {
              "status": "affected",
              "version": "All versions < V1.6.284.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-12-14T12:15:12.147",
  "references": [
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-160202.pdf",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "productcert@siemens.com"
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-463116.pdf",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "productcert@siemens.com"
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-160202.pdf",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-463116.pdf",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "productcert@siemens.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-668"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been identified in SiPass integrated V2.76 (All versions), SiPass integrated V2.80 (All versions), SiPass integrated V2.85 (All versions), Siveillance Identity V1.5 (All versions), Siveillance Identity V1.6 (All versions < V1.6.284.0). Affected applications insufficiently limit the access to the internal user authentication service. This could allow an unauthenticated remote attacker to trigger several actions on behalf of valid user accounts."
    },
    {
      "lang": "es",
      "value": "Se ha identificado una vulnerabilidad en SiPass integrated versiones V2.76 (Todas las versiones), SiPass integrated versiones V2.80 (Todas las versiones), SiPass integrated versiones V2.85 (Todas las versiones), Siveillance Identity versiones V1.5 (Todas las versiones), Siveillance Identity versiones V1.6 (Todas las versiones anteriores a V1.6.284.0). Las aplicaciones afectadas no limitan suficientemente el acceso al servicio interno de autenticación de usuarios. Esto podría permitir a un atacante remoto no autenticado desencadenar varias acciones en nombre de cuentas de usuario válidas"
    }
  ],
  "lastModified": "2026-06-17T04:12:30.840",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:siemens:sipass_integrated:2.76:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3ED165D4-CFFB-4240-A9DB-66A129B6794F"
            },
            {
              "criteria": "cpe:2.3:a:siemens:sipass_integrated:2.76:sp1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2B9701A3-DE4F-4C99-A348-42AF3A028E2F"
            },
            {
              "criteria": "cpe:2.3:a:siemens:sipass_integrated:2.80:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "83E77D85-0AE8-41D6-AC0C-983A8B73C831"
            },
            {
              "criteria": "cpe:2.3:a:siemens:sipass_integrated:2.85:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "02B28A44-3708-480D-9D6D-DDF8C21A15EC"
            },
            {
              "criteria": "cpe:2.3:a:siemens:siveillance_identity:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4CD924A4-0C64-46D7-9574-1341C71103E0",
              "versionEndIncluding": "1.6.284.0",
              "versionStartIncluding": "1.6"
            },
            {
              "criteria": "cpe:2.3:a:siemens:siveillance_identity:1.5:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9772EE3F-FFC5-4611-AD9A-8AD8304291BB"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "productcert@siemens.com"
}