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CVE-2025-27221

Estado: ModificadaMedia (5.3)—

In the URI gem before 1.0.3 for Ruby, the URI handling methods (URI.join, URI#merge, URI#+) have an inadvertent leakage of authentication credentials because userinfo is retained even after changing the host.

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)

Ruby-lang — URI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2025-27221",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-27221",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-03-04T16:38:46.135358Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "type": "Secondary",
        "source": "cve@mitre.org",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 3.2,
          "attackVector": "LOCAL",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 1.4
      },
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        "type": "Primary",
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
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          "confidentialityImpact": "LOW"
        },
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  "affected": [
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  ],
  "published": "2025-03-04T00:15:31.847",
  "references": [
    {
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/uri/CVE-2025-27221.yml",
      "tags": [
        "Third Party Advisory"
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://hackerone.com/reports/2957667",
      "tags": [
        "Permissions Required"
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      "source": "cve@mitre.org"
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    {
      "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00008.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00015.html",
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "value": "CWE-212"
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  "descriptions": [
    {
      "lang": "en",
      "value": "In the URI gem before 1.0.3 for Ruby, the URI handling methods (URI.join, URI#merge, URI#+) have an inadvertent leakage of authentication credentials because userinfo is retained even after changing the host."
    },
    {
      "lang": "es",
      "value": "En la gema URI anterior a 1.0.3 para Ruby, los métodos de gestión de URI (URI.join, URI#merge, URI#+) tienen una fuga involuntaria de credenciales de autenticación porque la información del usuario se conserva incluso después de cambiar el host."
    }
  ],
  "lastModified": "2026-06-17T09:03:14.380",
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    {
      "nodes": [
        {
          "negate": false,
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}