FKIE_CVE-2022-21122

Vulnerability from fkie_nvd - Published: 2022-06-08 09:15 - Updated: 2026-06-17 04:25
Severity
9.0 (Critical) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
The package metacalc before 0.0.2 are vulnerable to Arbitrary Code Execution when it exposes JavaScript's Math class to the v8 context. As the Math class is exposed to user-land, it can be used to get access to JavaScript's Function constructor.
References
report@snyk.iohttps://github.com/metarhia/metacalc/commit/625c23d63eabfa16fc815f5832b147b08d2144bdPatch, Third Party Advisory
report@snyk.iohttps://github.com/metarhia/metacalc/pull/16Patch, Third Party Advisory
report@snyk.iohttps://snyk.io/vuln/SNYK-JS-METACALC-2826197Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/metarhia/metacalc/commit/625c23d63eabfa16fc815f5832b147b08d2144bdPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/metarhia/metacalc/pull/16Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://snyk.io/vuln/SNYK-JS-METACALC-2826197Exploit, Third Party Advisory
Impacted products
Vendor Product Version
metarhia metacalc *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "metacalc",
          "vendor": "n/a",
          "versions": [
            {
              "lessThan": "0.0.2",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "report@snyk.io"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:metarhia:metacalc:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "515FDC04-65C9-4337-ADFB-BFBC356A2DE1",
              "versionEndExcluding": "0.0.2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The package metacalc before 0.0.2 are vulnerable to Arbitrary Code Execution when it exposes JavaScript\u0027s Math class to the v8 context. As the Math class is exposed to user-land, it can be used to get access to JavaScript\u0027s Function constructor."
    },
    {
      "lang": "es",
      "value": "El paquete metacalc versiones anteriores a 0.0.2, es vulnerable a una ejecuci\u00f3n arbitraria de c\u00f3digo cuando expone la clase Math de JavaScript al contexto v8. Como la clase Math est\u00e1 expuesta al contexto del usuario, puede ser usada para conseguir acceso al constructor de funciones de JavaScript"
    }
  ],
  "id": "CVE-2022-21122",
  "lastModified": "2026-06-17T04:25:33.693",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.0,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 6.0,
        "source": "report@snyk.io",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-06-08T09:15:08.470",
  "references": [
    {
      "source": "report@snyk.io",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/metarhia/metacalc/commit/625c23d63eabfa16fc815f5832b147b08d2144bd"
    },
    {
      "source": "report@snyk.io",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/metarhia/metacalc/pull/16"
    },
    {
      "source": "report@snyk.io",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://snyk.io/vuln/SNYK-JS-METACALC-2826197"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/metarhia/metacalc/commit/625c23d63eabfa16fc815f5832b147b08d2144bd"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/metarhia/metacalc/pull/16"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://snyk.io/vuln/SNYK-JS-METACALC-2826197"
    }
  ],
  "sourceIdentifier": "report@snyk.io",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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