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CVE-2021-27582

Estado: ModificadaCrítica (9.1)—

org/mitre/oauth2/web/OAuthConfirmationController.java in the OpenID Connect server implementation for MITREid Connect through 1.3.3 contains a Mass Assignment (aka Autobinding) vulnerability. This arises due to unsafe usage of the @ModelAttribute annotation during the OAuth authorization flow, in which HTTP request parameters affect an authorizationRequest.

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)

Mitreid — Connect

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-27582",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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        "type": "Primary",
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.1,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
            }
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  "published": "2021-02-23T18:15:14.363",
  "references": [
    {
      "url": "http://agrrrdog.blogspot.com/2017/03/autobinding-vulns-and-spring-mvc.html",
      "tags": [
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      "source": "cve@mitre.org"
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      "tags": [
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      "source": "cve@mitre.org"
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      "url": "https://portswigger.net/research/hidden-oauth-attack-vectors",
      "tags": [
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      "source": "cve@mitre.org"
    },
    {
      "url": "http://agrrrdog.blogspot.com/2017/03/autobinding-vulns-and-spring-mvc.html",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "tags": [
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1321"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "org/mitre/oauth2/web/OAuthConfirmationController.java in the OpenID Connect server implementation for MITREid Connect through 1.3.3 contains a Mass Assignment (aka Autobinding) vulnerability. This arises due to unsafe usage of the @ModelAttribute annotation during the OAuth authorization flow, in which HTTP request parameters affect an authorizationRequest."
    },
    {
      "lang": "es",
      "value": "El archivo org/mitre/oauth2/web/OAuthConfirmationController.java en la implementación del servidor OpenID Connect para MITREid Connect versiones hasta 1.3.3, contiene una vulnerabilidad de Asignación Masiva (también se conoce como Autobinding). Esto surge debido al uso no seguro de la anotación @ModelAttribute durante el flujo de autorización de OAuth, en el que los parámetros de petición HTTP afectan a una autorización de petición"
    }
  ],
  "lastModified": "2026-06-17T03:45:10.257",
  "configurations": [
    {
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          "cpeMatch": [
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              "versionEndIncluding": "1.3.3"
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  "sourceIdentifier": "cve@mitre.org"
}