CVE-2025-12790

{
  "id": "CVE-2025-12790",
  "sourceIdentifier": "[email protected]",
  "published": "2025-11-06T21:15:40.000",
  "lastModified": "2026-10-18T21:10:00.120",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in Rubygem MQTT. By default, the package used to not have hostname validation, resulting in possible Man-in-the-Middle (MITM) attack."
    },
    {
      "lang": "es",
      "value": "Se encontró una vulnerabilidad en Rubygem MQTT. Por defecto, el paquete no solía tener validación de nombre de host, lo que resultaba en un posible ataque man-in-the-middle (MitM)."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Nicholas J Humfrey",
          "product": "ruby-mqtt",
          "defaultStatus": "unaffected",
          "collectionURL": "https://github.com/njh/ruby-mqtt",
          "packageName": "ruby-mqtt",
          "versions": [
            {
              "version": "0",
              "lessThan": "0.7.0",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Red Hat",
          "product": "Red Hat Satellite 6",
          "defaultStatus": "affected",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "packageName": "rubygem-mqtt",
          "cpes": [
            "cpe:/a:redhat:satellite:6"
          ]
        },
        {
          "vendor": "Red Hat",
          "product": "Red Hat Satellite 6",
          "defaultStatus": "affected",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "packageName": "satellite:el8/rubygem-mqtt",
          "cpes": [
            "cpe:/a:redhat:satellite:6"
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "baseScore": 7.4,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.2
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2025-11-08T04:55:20.280647Z",
          "id": "CVE-2025-12790",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-29"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://access.redhat.com/security/cve/CVE-2025-12790",
      "source": "[email protected]"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2413004",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/njh/ruby-mqtt/blob/main/NEWS.md#ruby-mqtt-version-070-2025-10-29",
      "source": "[email protected]"
    }
  ]
}