{
  "id": "CVE-2021-29059",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-06-21T16:15:08.080",
  "lastModified": "2021-11-04T14:17:22.457",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability was discovered in IS-SVG version 2.1.0 to 4.2.2 and below where a Regular Expression Denial of Service (ReDOS) occurs if the application is provided and checks a crafted invalid SVG string."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto una vulnerabilidad en las versiones 2.1.0 a 4.2.2 e inferiores de IS-SVG en la que se produce una denegaci\u00f3n de servicio por expresi\u00f3n regular (ReDOS) si se proporciona la aplicaci\u00f3n y se comprueba una cadena SVG no v\u00e1lida elaborada."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:is-svg_project:is-svg:*:*:*:*:*:node.js:*:*",
              "versionStartIncluding": "2.1.0",
              "versionEndExcluding": "4.3.0",
              "matchCriteriaId": "739163AC-A3F6-4BEA-AAF0-883D65FE51E3"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/sindresorhus/is-svg/releases/tag/v4.3.0",
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/yetingli/PoCs/blob/main/CVE-2021-29059/IS-SVG.md",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/yetingli/SaveResults/blob/main/js/is-svg.js",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.npmjs.com/package/is-svg",
      "source": "cve@mitre.org",
      "tags": [
        "Product"
      ]
    }
  ]
}