{
  "id": "CVE-2021-33443",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2022-07-26T13:15:08.847",
  "lastModified": "2022-07-28T16:45:06.777",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is stack buffer overflow in mjs_execute() in mjs.c."
    },
    {
      "lang": "es",
      "value": "Se ha detectado un problema en mjs (mJS: motor de JavaScript restringido), ES6 (versi\u00f3n 6 de JavaScript). Se presenta un desbordamiento del b\u00fafer de pila en la funci\u00f3n mjs_execute() en el archivo mjs.c."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:cesanta:mjs:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.20.0",
              "matchCriteriaId": "13B1A3EF-A920-4FB4-BD11-F97092B362F7"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/cesanta/mjs/issues/167",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ]
    }
  ]
}