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CVE-2016-2846

Estado: ModificadaMedia (6.5)—

Siemens SIMATIC S7-1200 CPU devices before 4.0 allow remote attackers to bypass a "user program block" protection mechanism via unspecified vectors.

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 — Simatic S7 CPU 1200 Firmware

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2016-2846",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
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          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.5,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
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      ]
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  ],
  "published": "2016-03-16T10:59:04.277",
  "references": [
    {
      "url": "http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-833048.pdf",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-833048.pdf",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://ics-cert.us-cert.gov/advisories/ICSA-16-075-01",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-833048.pdf",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-833048.pdf",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://ics-cert.us-cert.gov/advisories/ICSA-16-075-01",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-254"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Siemens SIMATIC S7-1200 CPU devices before 4.0 allow remote attackers to bypass a \"user program block\" protection mechanism via unspecified vectors."
    },
    {
      "lang": "es",
      "value": "Dispositivos Siemens SIMATIC S7-1200 CPU en versiones anteriores a 4.0 permiten a atancantes remotos eludir un mecanismo de protección de \"bloqueo de programa de usuario\" a través de vectores no especificados."
    }
  ],
  "lastModified": "2026-06-17T00:44:34.863",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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            }
          ],
          "operator": "OR"
        },
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              "versionEndIncluding": "3.0.2"
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      ],
      "operator": "AND"
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  ],
  "sourceIdentifier": "cve@mitre.org"
}