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CVE-2016-3956 (GCVE-0-2016-3956)

Vulnerability from cvelistv5 – Published: 2016-07-02 14:00 – Updated: 2024-08-06 00:10
VLAI
Summary
The CLI in npm before 2.15.1 and 3.x before 3.8.3, as used in Node.js 0.10 before 0.10.44, 0.12 before 0.12.13, 4 before 4.4.2, and 5 before 5.10.0, includes bearer tokens with arbitrary requests, which allows remote HTTP servers to obtain sensitive information by reading Authorization headers.
CWE
  • n/a
Date Public
2016-03-31 00:00
Show details on NVD website

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        "cveTags": [],
        "descriptions": [
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            "lang": "en",
            "value": "The CLI in npm before 2.15.1 and 3.x before 3.8.3, as used in Node.js 0.10 before 0.10.44, 0.12 before 0.12.13, 4 before 4.4.2, and 5 before 5.10.0, includes bearer tokens with arbitrary requests, which allows remote HTTP servers to obtain sensitive information by reading Authorization headers."
          },
          {
            "lang": "es",
            "value": "La CLI en npm en versiones anteriores a 2.15.1 y 3.x en versiones anteriores a 3.8.3, tal como se utiliza en Node.js 0.10 en versiones anteriores a 0.10.44, 0.12 en versiones anteriores a 0.12.13, 4 en versiones anteriores a 4.4.2 y 5 en versiones anteriores a 5.10.0, incluye tokens portadores con peticiones arbitrarias, lo que permite a servidores HTTP remotos obtener informaci\u00f3n sensible leyendo cabeceras de autorizaci\u00f3n."
          }
        ],
        "id": "CVE-2016-3956",
        "lastModified": "2026-05-06T22:30:45.220",
        "metrics": {
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                "authentication": "NONE",
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                "baseScore": 5.0,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "NONE",
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              "exploitabilityScore": 10.0,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
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              "source": "nvd@nist.gov",
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                "scope": "UNCHANGED",
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                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
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        "published": "2016-07-02T14:59:19.417",
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            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://github.com/npm/npm/commit/fea8cc92cee02c720b58f95f14d315507ccad401"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://github.com/npm/npm/issues/8380"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://nodejs.org/en/blog/vulnerability/npm-tokens-leak-march-2016/"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-200"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T12:01:54+00:00",
      "cve": "CVE-2016-3956",
      "id": "CVE-2016-3956",
      "initial_release_date": "2016-03-31T00:00:00+00:00",
      "product_status:known_affected": "1",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "npm: bearer token leak to non-registry hosts",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-3956.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2025-04-25T09:36:47Z",
      "cve": "CVE-2016-3956",
      "id": "CVE-2016-3956",
      "initial_release_date": "2023-02-15T05:04:08Z",
      "product_status:known_not_affected": "1",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2016-3956",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2016-3956.json",
      "version": "6"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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