FKIE_CVE-2018-20218

Vulnerability from fkie_nvd - Published: 2019-03-21 16:00 - Updated: 2026-06-17 01:52
Severity
9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
An issue was discovered on Teracue ENC-400 devices with firmware 2.56 and below. The login form passes user input directly to a shell command without any kind of escaping or validation in /usr/share/www/check.lp file. An attacker is able to perform command injection using the "password" parameter in the login form.
References
cve@mitre.orghttp://seclists.org/fulldisclosure/2019/Feb/48Exploit, Mailing List, Third Party Advisory
cve@mitre.orghttps://zxsecurity.co.nz/research.htmlNot Applicable
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2019/Feb/48Exploit, Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://zxsecurity.co.nz/research.htmlNot Applicable
Impacted products
Vendor Product Version
teracue enc-400_hdmi_firmware *
teracue enc-400_hdmi -
teracue enc-400_hdmi2_firmware *
teracue enc-400_hdmi2 -
teracue enc-400_hdsdi_firmware *
teracue enc-400_hdsdi -
To clipboard 

{
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      "affectedData": [
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          "product": "n/a",
          "vendor": "n/a",
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              "status": "affected",
              "version": "n/a"
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        }
      ],
      "source": "cve@mitre.org"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered on Teracue ENC-400 devices with firmware 2.56 and below. The login form passes user input directly to a shell command without any kind of escaping or validation in /usr/share/www/check.lp file. An attacker is able to perform command injection using the \"password\" parameter in the login form."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto un problema en dispositivos Teracue ENC-400 con firmware en versiones 2.56 y anteriores. El formulario de inicio de sesi\u00f3n pasa las entradas de usuario directamente a un comando shell sin alg\u00fan tipo de escape o validaci\u00f3n en el archivo /usr/share/www/check.lp. Un atacante es capaz de realizar una inyecci\u00f3n de comandos empleando el par\u00e1metro \"password\" en el formulario de inicio de sesi\u00f3n."
    }
  ],
  "id": "CVE-2018-20218",
  "lastModified": "2026-06-17T01:52:28.157",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 10.0,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
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        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  },
  "published": "2019-03-21T16:00:35.250",
  "references": [
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      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://seclists.org/fulldisclosure/2019/Feb/48"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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    },
    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://zxsecurity.co.nz/research.html"
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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