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CVE-2016-8203

Status: ModifiedHigh (7.5)—

A memory corruption in the IPsec code path of Brocade NetIron OS on Brocade MLXs 5.8.00 through 5.8.00e, 5.9.00 through 5.9.00bd, 6.0.00, and 6.0.00a images could allow attackers to cause a denial of service (line card reset) via certain constructed IPsec control packets.

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)

Brocade — Netiron OS

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2016-8203",
  "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": false,
        "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": "sirt@brocade.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Brocade MLX running on NetIron OS All Brocade MLX Line Cards running NetIron OS 5.8.00 through 5.8.00e, 5.9.00 through 5.9.00bd, 6.0.00 and 6.0.00a images",
          "versions": [
            {
              "status": "affected",
              "version": "Brocade MLX running on NetIron OS All Brocade MLX Line Cards running NetIron OS 5.8.00 through 5.8.00e, 5.9.00 through 5.9.00bd, 6.0.00 and 6.0.00a images"
            }
          ]
        }
      ]
    }
  ],
  "published": "2016-10-31T21:59:00.207",
  "references": [
    {
      "url": "http://www.brocade.com/en/backend-content/pdf-page.html?/content/dam/common/documents/content-types/security-bulletin/brocade-security-advisory-2016-168.pdf",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "sirt@brocade.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/94232",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "sirt@brocade.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1037010",
      "source": "sirt@brocade.com"
    },
    {
      "url": "http://www.brocade.com/en/backend-content/pdf-page.html?/content/dam/common/documents/content-types/security-bulletin/brocade-security-advisory-2016-168.pdf",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/94232",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1037010",
      "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": "A memory corruption in the IPsec code path of Brocade NetIron OS on Brocade MLXs 5.8.00 through 5.8.00e, 5.9.00 through 5.9.00bd, 6.0.00, and 6.0.00a images could allow attackers to cause a denial of service (line card reset) via certain constructed IPsec control packets."
    },
    {
      "lang": "es",
      "value": "Una corrupción de memoria en la ruta de código IPsec de Brocade NetIron OS en Brocade MLXs 5.8.00 hasta la versión 5.8.00e, 5.9.00 hasta la versión 5.9.00bd, 6.0.00 y 6.0.00a imágenes podrían permitir a los atacantes provocar una denegación de servicio (reinicio de tarjeta en línea) a través de ciertos paquetes de control IPsec construidos."
    }
  ],
  "lastModified": "2026-06-17T00:54:00.610",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:brocade:netiron_os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0F121CF6-4562-4ED0-9353-71432914FAF4",
              "versionEndIncluding": "5.8.00e"
            },
            {
              "criteria": "cpe:2.3:o:brocade:netiron_os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A7ED12F6-D5B4-426A-A7CA-299CA9891FE7",
              "versionEndIncluding": "5.9.00bd"
            },
            {
              "criteria": "cpe:2.3:o:brocade:netiron_os:6.0.00:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4030CAB0-B1F5-4656-AFBF-36877F64D504"
            },
            {
              "criteria": "cpe:2.3:o:brocade:netiron_os:6.0.00a:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BDE6B33B-C0A4-4499-B37B-5463A3926852"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "sirt@brocade.com"
}