FKIE_CVE-2021-45394

Vulnerability from fkie_nvd - Published: 2022-01-18 12:15 - Updated: 2026-06-17 04:13
Severity
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
An issue was discovered in Spipu HTML2PDF before 5.2.4. Attackers can trigger deserialization of arbitrary data via the injection of a malicious <link> tag in the converted HTML document.
References
cve@mitre.orghttps://github.com/spipu/html2pdfProduct, Third Party Advisory
cve@mitre.orghttps://github.com/spipu/html2pdf/blob/master/CHANGELOG.mdRelease Notes, Third Party Advisory
cve@mitre.orghttps://www.synacktiv.com/sites/default/files/2022-01/html2pdf_ssrf_deserialization.pdfExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/spipu/html2pdfProduct, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/spipu/html2pdf/blob/master/CHANGELOG.mdRelease Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.synacktiv.com/sites/default/files/2022-01/html2pdf_ssrf_deserialization.pdfExploit, Third Party Advisory
Impacted products
Vendor Product Version
html2pdf_project html2pdf *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:html2pdf_project:html2pdf:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3AEE7886-4ABF-44C5-9906-F192720BF076",
              "versionEndExcluding": "5.2.4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Spipu HTML2PDF before 5.2.4. Attackers can trigger deserialization of arbitrary data via the injection of a malicious \u003clink\u003e tag in the converted HTML document."
    },
    {
      "lang": "es",
      "value": "Se ha detectado un problema en Spipu HTML2PDF versiones anteriores a 5.2.4. Los atacantes pueden desencadenar una deserializaci\u00f3n de datos arbitrarios por medio de la inyecci\u00f3n de una etiqueta (link) maliciosa en el documento HTML convertido"
    }
  ],
  "id": "CVE-2021-45394",
  "lastModified": "2026-06-17T04:13:20.027",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-01-18T12:15:08.243",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Product",
        "Third Party Advisory"
      ],
      "url": "https://github.com/spipu/html2pdf"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://github.com/spipu/html2pdf/blob/master/CHANGELOG.md"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.synacktiv.com/sites/default/files/2022-01/html2pdf_ssrf_deserialization.pdf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product",
        "Third Party Advisory"
      ],
      "url": "https://github.com/spipu/html2pdf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://github.com/spipu/html2pdf/blob/master/CHANGELOG.md"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.synacktiv.com/sites/default/files/2022-01/html2pdf_ssrf_deserialization.pdf"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
        },
        {
          "lang": "en",
          "value": "CWE-918"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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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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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.