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CVE-2016-7955

Estado: ModificadaCrítica (9.8)—

The logcheck function in session.inc in AlienVault OSSIM before 5.3.1, when an action has been created, and USM before 5.3.1 allows remote attackers to bypass authentication and consequently obtain sensitive information, modify the application, or execute arbitrary code as root via an "AV Report Scheduler" HTTP User-Agent header.

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)

Alienvault — OssimAlienvault — Unified Security Management

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2016-7955",
  "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": true,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": 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": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2017-03-15T16:59:00.237",
  "references": [
    {
      "url": "http://www.securityfocus.com/archive/1/540224/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-517/",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.alienvault.com/forums/discussion/7765/alienvault-v5-3-1-hotfix",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/540224/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-517/",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.alienvault.com/forums/discussion/7765/alienvault-v5-3-1-hotfix",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The logcheck function in session.inc in AlienVault OSSIM before 5.3.1, when an action has been created, and USM before 5.3.1 allows remote attackers to bypass authentication and consequently obtain sensitive information, modify the application, or execute arbitrary code as root via an \"AV Report Scheduler\" HTTP User-Agent header."
    },
    {
      "lang": "es",
      "value": "La función logcheck en session.inc en AlienVault OSSIM en versiones anteriores a 5.3.1, cuando se ha creado una acción, y USM en versiones anteriores a 5.3.1 permite a atacantes remotos eludir autenticación y consecuentemente obtener información sensible, modificar la aplicación o ejecutar código arbitrario como root a través de una cabecera HTTP de User-Agent \"AV Report Scheduler\"."
    }
  ],
  "lastModified": "2026-06-17T00:53:50.263",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:alienvault:ossim:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "867ED22F-84C1-4B1A-8114-F041EAD5BDE8",
              "versionEndIncluding": "5.3"
            },
            {
              "criteria": "cpe:2.3:a:alienvault:unified_security_management:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DF48341B-5B16-46B4-B8AC-D4B64197146F",
              "versionEndIncluding": "5.3"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}