CVE-2016-0856

Estado: ModificadaCrítica (9.8)—
Multiple stack-based buffer overflows in Advantech WebAccess before 8.1 allow remote attackers to execute arbitrary code via unspecified vectors.
CVSS

Versión: 3.0
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 9.8
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 17%
Percentil entre todas las CVEs puntuadas: 97
Fecha de la puntuación: 7/10/2026
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)

Advantech — Webaccess
CWE

CWE-119
Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2016-0856",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 10,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": true,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.0/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": "ics-cert@hq.dhs.gov",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2016-01-15T03:59:18.250",
  "references": [
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-100",
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-101",
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-102",
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-103",
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-106",
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-108",
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-109",
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-110",
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-111",
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-112",
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-113",
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-114",
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-115",
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-116",
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-117",
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-118",
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-120",
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "https://ics-cert.us-cert.gov/advisories/ICSA-16-014-01",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-100",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-101",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-102",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-103",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-106",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-108",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-109",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-110",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-111",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-112",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-113",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-114",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-115",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-116",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-117",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-118",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-120",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://ics-cert.us-cert.gov/advisories/ICSA-16-014-01",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Multiple stack-based buffer overflows in Advantech WebAccess before 8.1 allow remote attackers to execute arbitrary code via unspecified vectors."
    },
    {
      "lang": "es",
      "value": "Múltiples desbordamientos de buffer basado en pila en Advantech WebAccess en versiones anteriores a 8.1 permiten a atacantes remotos ejecutar código arbitrario a través de vectores no especificados."
    }
  ],
  "lastModified": "2026-06-17T00:38:21.797",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:advantech:webaccess:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C1541818-B442-43BF-AFE1-B7D022D51AE2",
              "versionEndIncluding": "8.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "ics-cert@hq.dhs.gov"
}