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CVE-2020-26228

Estado: ModificadaAlta (7.5)—

TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 9.5.23 and 10.4.10 user session identifiers were stored in cleartext - without processing with additional cryptographic hashing algorithms. This vulnerability cannot be exploited directly and occurs in combination with a chained attack - like for instance SQL injection in any other component of the system. Update to TYPO3 versions 9.5.23 or 10.4.10 that fix the problem described.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Typo3 — Typo3

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-26228",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.2
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "TYPO3",
          "product": "TYPO3.CMS",
          "versions": [
            {
              "status": "affected",
              "version": ">= 9.0.0, < 9.5.23"
            },
            {
              "status": "affected",
              "version": ">= 10.0.0, < 10.4.10"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-11-23T21:15:12.140",
  "references": [
    {
      "url": "https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-954j-f27r-cj52",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://typo3.org/security/advisory/typo3-core-sa-2020-011",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-954j-f27r-cj52",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://typo3.org/security/advisory/typo3-core-sa-2020-011",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-312"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 9.5.23 and 10.4.10 user session identifiers were stored in cleartext - without processing with additional cryptographic hashing algorithms. This vulnerability cannot be exploited directly and occurs in combination with a chained attack - like for instance SQL injection in any other component of the system. Update to TYPO3 versions 9.5.23 or 10.4.10 that fix the problem described."
    },
    {
      "lang": "es",
      "value": "TYPO3 es un sistema de administración de contenido web de código abierto basado en PHP.&#xa0;En TYPO3, anterior a versiones  9.5.23 y 10.4.10, los identificadores de sesión de usuario fueron almacenados en texto sin cifrar, sin procesamiento con algoritmos de hash criptográfico adicionales.&#xa0;Esta vulnerabilidad no puede ser explotada directamente y se produce en combinación con un ataque encadenado, como por ejemplo una inyección SQL en cualquier otro componente del sistema.&#xa0;Actualice a TYPO3 versiones 9.5.23 o 10.4.10 que corrigen el problema descrito"
    }
  ],
  "lastModified": "2026-06-17T03:07:52.150",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "37480937-67F4-432B-97F2-77DEFF11E3ED",
              "versionEndExcluding": "9.5.23",
              "versionStartIncluding": "9.0.0"
            },
            {
              "criteria": "cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "56B032F6-C72B-4963-8C0D-13BFDD5F385A",
              "versionEndExcluding": "10.4.10",
              "versionStartIncluding": "10.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security-advisories@github.com"
}