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CVE-2018-15481

Estado: ModificadaAlta (8.8)—

Improper input sanitization within the restricted administration shell on UCOPIA Wireless Appliance devices using firmware version 5.1.x before 5.1.13 allows authenticated remote attackers to escape the shell and escalate their privileges by adding a LocalCommand to the SSH configuration file in the user home folder.

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)

Ucopia — Wireless Appliance Firmware

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-15481",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-08-21T16:29:00.213",
  "references": [
    {
      "url": "https://securite.intrinsec.com/2018/08/20/cve-2018-15481-ucopia-wireless-appliance-restricted-shell-escape-5-1-13/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://securite.intrinsec.com/2018/08/20/cve-2018-15481-ucopia-wireless-appliance-restricted-shell-escape-5-1-13/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper input sanitization within the restricted administration shell on UCOPIA Wireless Appliance devices using firmware version 5.1.x before 5.1.13 allows authenticated remote attackers to escape the shell and escalate their privileges by adding a LocalCommand to the SSH configuration file in the user home folder."
    },
    {
      "lang": "es",
      "value": "Saneamiento de entradas indebido en el shell de administración restringido en dispositivos UCOPIA Wireless Appliance con versiones de firmware 5.1.x anteriores a la 5.1.13 permite que atacantes remotos escapen del shell y escalen sus privilegios, añadiendo un LocalCommand al archivo de configuración SSH en la carpeta home del usuario."
    }
  ],
  "lastModified": "2026-06-17T01:42:36.147",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "6FE12469-D544-433D-8BB3-B4C1BA267608",
              "versionEndIncluding": "5.1.13",
              "versionStartIncluding": "5.1.0"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
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              "matchCriteriaId": "BB1C8FCD-6DE1-4356-B646-8A790A4B6DB2"
            }
          ],
          "operator": "OR"
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      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}