FKIE_CVE-2018-7791

Vulnerability from fkie_nvd - Published: 2018-08-29 21:29 - Updated: 2024-11-21 04:12
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
A Permissions, Privileges, and Access Control vulnerability exists in Schneider Electric's Modicon M221 product (all references, all versions prior to firmware V1.6.2.0). The vulnerability allows unauthorized users to overwrite the original password with their password. If an attacker exploits this vulnerability and overwrite the password, the attacker can upload the original program from the PLC.
References
cybersecurity@se.comhttp://www.securityfocus.com/bid/105182Third Party Advisory, VDB Entry
cybersecurity@se.comhttps://www.schneider-electric.com/en/download/document/SEVD-2018-235-01/Mitigation, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/105182Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://www.schneider-electric.com/en/download/document/SEVD-2018-235-01/Mitigation, Vendor Advisory
Impacted products
Vendor Product Version
schneider-electric modicon_m221_firmware *
schneider-electric modicon_m221 -
To clipboard 

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              "matchCriteriaId": "55D26878-E5EB-4537-A252-34B3EBB758CC",
              "versionEndExcluding": "1.6.2.0",
              "vulnerable": true
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A Permissions, Privileges, and Access Control vulnerability exists in Schneider Electric\u0027s Modicon M221 product (all references, all versions prior to firmware V1.6.2.0). The vulnerability allows unauthorized users to overwrite the original password with their password. If an attacker exploits this vulnerability and overwrite the password, the attacker can upload the original program from the PLC."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de permisos, privilegios y control de acceso en el producto Modicon M221, de Schneider Electric (todas las referencias y todas las versiones anteriores al firmware V1.6.2.0). La vulnerabilidad permite que usuarios no autorizados sobrescriban la contrase\u00f1a original con su contrase\u00f1a. Si un atacante explota la vulnerabilidad y sobrescribe la contrase\u00f1a, el atacante puede subir el programa original desde el PLC."
    }
  ],
  "id": "CVE-2018-7791",
  "lastModified": "2024-11-21T04:12:44.530",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
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          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
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  "published": "2018-08-29T21:29:01.180",
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  "sourceIdentifier": "cybersecurity@se.com",
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
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  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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