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CVE-2016-6561

Status: ModifiedHigh (7.5)—

illumos smbsrv NULL pointer dereference allows system crash.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Illumos — Illumos

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2016-6561",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": true,
        "impactScore": 6.9,
        "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": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cret@cert.org",
      "affectedData": [
        {
          "vendor": "illumos",
          "product": "osnet-incorporation",
          "versions": [
            {
              "status": "affected",
              "version": "proir to osnet-incorporation@0.5.11,5.11-2016.0.1.15933"
            }
          ]
        }
      ]
    }
  ],
  "published": "2017-03-31T19:59:00.207",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/98079",
      "source": "cret@cert.org"
    },
    {
      "url": "https://github.com/illumos/illumos-gate/commit/6d1c73b5858fefc6161c7d686345f0dc887ea799",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "cret@cert.org"
    },
    {
      "url": "https://www.illumos.org/issues/7483",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "source": "cret@cert.org"
    },
    {
      "url": "https://www.openindiana.org/2016/11/01/cve-2016-6560-cve-2016-6561-security-issues-in-illumos/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cret@cert.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/98079",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/illumos/illumos-gate/commit/6d1c73b5858fefc6161c7d686345f0dc887ea799",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.illumos.org/issues/7483",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.openindiana.org/2016/11/01/cve-2016-6560-cve-2016-6561-security-issues-in-illumos/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cret@cert.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "illumos smbsrv NULL pointer dereference allows system crash."
    },
    {
      "lang": "es",
      "value": "Desreferencia illumos smbsrv puntero null permite caída del sistema."
    }
  ],
  "lastModified": "2026-06-17T00:51:23.210",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:illumos:illumos:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F696284A-497A-411E-994F-F4376162482F"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cret@cert.org"
}