« Volver al listado

CVE-2016-7855

Estado: AnalizadaAlta (8.8)⚠ Explotación activa💥 PoC

Use-after-free vulnerability in Adobe Flash Player before 23.0.0.205 on Windows and OS X and before 11.2.202.643 on Linux allows remote attackers to execute arbitrary code via unspecified vectors, as exploited in the wild in October 2016.

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).

CISA KEV — explotada activamente

💥 Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

⚠️ Las pruebas de concepto de GitHub no están verificadas: algunas son falsas o contienen malware. No las ejecute nunca fuera de un laboratorio aislado.

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Vulnerabilidad use-after-free (CWE-416) en Flash Player explotada remotamente con interacción del usuario (UI:R), permitiendo ejecución arbitraria de código. Coherente con T1203 (explotación en cliente) e impacto T1059 (ejecución de comandos).

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Restrict Web-Based ContentPrivileged Account ManagementLimit Software InstallationExecution PreventionBehavior Prevention on EndpointDisable or Remove Feature or Program

Tecnologías afectadas (4)

Adobe — Flash PlayerRedhat — Enterprise Linux DesktopRedhat — Enterprise Linux ServerRedhat — Enterprise Linux Workstation

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2016-7855",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2016-7855",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "active"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-02-04T21:34:22.948384Z"
        }
      }
    ],
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 9.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      },
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@adobe.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2016-11-01T22:59:00.167",
  "references": [
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2016-2119.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "psirt@adobe.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/93861",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "psirt@adobe.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1037111",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "psirt@adobe.com"
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-128",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "psirt@adobe.com"
    },
    {
      "url": "https://helpx.adobe.com/security/products/flash-player/apsb16-36.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "psirt@adobe.com"
    },
    {
      "url": "https://security.gentoo.org/glsa/201610-10",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "psirt@adobe.com"
    },
    {
      "url": "https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "psirt@adobe.com"
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2016-2119.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/93861",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1037111",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-128",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://helpx.adobe.com/security/products/flash-player/apsb16-36.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.gentoo.org/glsa/201610-10",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-7855",
      "tags": [
        "US Government Resource"
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use-after-free vulnerability in Adobe Flash Player before 23.0.0.205 on Windows and OS X and before 11.2.202.643 on Linux allows remote attackers to execute arbitrary code via unspecified vectors, as exploited in the wild in October 2016."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de uso después de liberación de memoria en Adobe Flash Player en versiones anteriores a 23.0.0.205 en Windows y OS X y en versiones anteriores a 11.2.202.643 en Linux permite a atacantes remotos ejecutar código arbitrario a través de vectores no especificados, según se ha explotado activamente en octubre de 2016."
    }
  ],
  "lastModified": "2026-06-17T00:53:36.470",
  "cisaActionDue": "2022-03-24",
  "cisaExploitAdd": "2022-03-03",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:*",
              "vulnerable": true,
              "matchCriteriaId": "72678265-8BF8-4C66-B910-84E7C3961B18",
              "versionEndIncluding": "23.0.0.185"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "4781BF1E-8A4E-4AFF-9540-23D523EE30DD"
            },
            {
              "criteria": "cpe:2.3:o:google:chrome_os:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "D32ACF6F-5FF7-4815-8EAD-4719F5FC9B79"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:*",
              "vulnerable": true,
              "matchCriteriaId": "17EC9D4E-B2BE-413A-A682-03DFA8E93A6B",
              "versionEndIncluding": "23.0.0.185"
            },
            {
              "criteria": "cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E97950E9-801B-46B5-AF10-384ADE92C567",
              "versionEndIncluding": "23.0.0.185"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "21540673-614A-4D40-8BD7-3F07723803B0"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "232581CC-130A-4C62-A7E9-2EC9A9364D53"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "E01A4CCA-4C43-46E0-90E6-3E4DBFBACD64"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "E93068DB-549B-45AB-8E5C-00EB5D8B5CF8"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "C6CE5198-C498-4672-AF4C-77AB4BE06C5C"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "A7DF96F8-BA6A-4780-9CA3-F719B3F81074"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "DB18C4CE-5917-401E-ACF7-2747084FD36E"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:adobe:flash_player:*:*:*:*:*:linux:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AEAF53E4-99E9-4554-B79C-A84527B631CF",
              "versionEndIncluding": "11.2.202.637"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E43F3177-CF1C-41EF-8C6E-61177A79BEEA",
              "versionEndIncluding": "23.0.0.185"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "4781BF1E-8A4E-4AFF-9540-23D523EE30DD"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "133AAFA7-AF42-4D7B-8822-AA2E85611BF5"
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EE249E1B-A1FD-4E08-AA71-A0E1F10FFE97"
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "54D669D4-6D7E-449D-80C1-28FA44F06FFE"
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9BBCD86A-E6C7-4444-9D74-F861084090F0"
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D0AC5CD5-6E58-433C-9EB3-6DFE5656463E"
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E5ED5807-55B7-47C5-97A6-03233F4FBC3A"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@adobe.com",
  "cisaRequiredAction": "The impacted product is end-of-life and should be disconnected if still in use.",
  "cisaVulnerabilityName": "Adobe Flash Player Use-After-Free Vulnerability"
}