CVE-2016-2515

Estado: ModificadaAlta (7.5)—

Hawk before 3.1.3 and 4.x before 4.1.1 allow remote attackers to cause a denial of service (CPU consumption or partial outage) via a long (1) header or (2) URI that is matched against an improper regular expression.

CVSS

Versión: 3.0
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Puntuación base: 7.5

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 3.37%
Percentil entre todas las CVEs puntuadas: 88
Fecha de la puntuación: 6/10/2026

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)

Hawk Project — Hawk

CWE

CWE-399

Referencias

JSON original (NVD)

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{
  "id": "CVE-2016-2515",
  "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
      }
    ],
    "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": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2016-04-13T16:59:13.473",
  "references": [
    {
      "url": "http://www.openwall.com/lists/oss-security/2016/02/20/1",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2016/02/20/2",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1309721",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://github.com/hueniverse/hawk/commit/0833f99ba64558525995a7e21d4093da1f3e15fa",
      "tags": [
        "Patch"
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      "source": "secalert@redhat.com"
    },
    {
      "url": "https://github.com/hueniverse/hawk/issues/168",
      "tags": [
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      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://nodesecurity.io/advisories/77",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2016/02/20/1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1309721",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/hueniverse/hawk/commit/0833f99ba64558525995a7e21d4093da1f3e15fa",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/hueniverse/hawk/issues/168",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://nodesecurity.io/advisories/77",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Hawk before 3.1.3 and 4.x before 4.1.1 allow remote attackers to cause a denial of service (CPU consumption or partial outage) via a long (1) header or (2) URI that is matched against an improper regular expression."
    },
    {
      "lang": "es",
      "value": "Hawk en versiones anteriores a 3.1.3 y 4.x en versiones anteriores a 4.1.1 permite a atacantes remotos provocar una denegación de servicio (consumo de CPU o interrupción parcial ) a través de una (1) cabecera o (2) URI larga que coincide contra una expresión regular incorrecta."
    }
  ],
  "lastModified": "2026-06-17T00:44:12.203",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:hawk_project:hawk:3.1.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EC0104C2-41FF-4883-9C80-4819F2A645DA"
            },
            {
              "criteria": "cpe:2.3:a:hawk_project:hawk:4.1.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "75046180-A750-47A9-AF24-B25A86CA4ABF"
            }
          ],
          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "secalert@redhat.com"
}