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FKIE_CVE-2023-22477

Vulnerability from fkie_nvd - Published: 2023-01-09 15:15 - Updated: 2026-06-17 05:35
Summary
Mercurius is a GraphQL adapter for Fastify. Any users of Mercurius until version 10.5.0 are subjected to a denial of service attack by sending a malformed packet over WebSocket to `/graphql`. This issue was patched in #940. As a workaround, users can disable subscriptions.
Impacted products

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "mercurius",
          "vendor": "mercurius-js",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 10.5.0"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mercurius_project:mercurius:*:*:*:*:*:node.js:*:*",
              "matchCriteriaId": "78357691-02E7-4644-9A54-02DCBE4A6B47",
              "versionEndExcluding": "8.13.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mercurius_project:mercurius:*:*:*:*:*:node.js:*:*",
              "matchCriteriaId": "8FDDE8C9-B8CC-417B-9250-5950C2E48CC0",
              "versionEndExcluding": "11.5.0",
              "versionStartIncluding": "9.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mercurius is a GraphQL adapter for Fastify. Any users of Mercurius until version 10.5.0 are subjected to a denial of service attack by sending a malformed packet over WebSocket to `/graphql`. This issue was patched in #940. As a workaround, users can disable subscriptions.\n\n"
    },
    {
      "lang": "es",
      "value": "Mercurius es un adaptador GraphQL para Fastify. Cualquier usuario de Mercurius hasta la versi\u00f3n 10.5.0 est\u00e1 sujeto a un ataque de denegaci\u00f3n de servicio al enviar un paquete con formato incorrecto a trav\u00e9s de WebSocket a \"/graphql\". Este problema se solucion\u00f3 en el n.\u00b0 940. Como workaround, los usuarios pueden desactivar las suscripciones."
    }
  ],
  "id": "CVE-2023-22477",
  "lastModified": "2026-06-17T05:35:32.530",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-22477",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-03-10T21:02:16.984138Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-01-09T15:15:11.127",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://github.com/mercurius-js/mercurius/issues/939"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/mercurius-js/mercurius/pull/940"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/mercurius-js/mercurius/security/advisories/GHSA-cm8h-q92v-xcfc"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://github.com/mercurius-js/mercurius/issues/939"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/mercurius-js/mercurius/pull/940"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/mercurius-js/mercurius/security/advisories/GHSA-cm8h-q92v-xcfc"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-248"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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