FKIE_CVE-2020-6088

Vulnerability from fkie_nvd - Published: 2021-02-04 07:15 - Updated: 2026-06-17 03:22
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
An exploitable denial of service vulnerability exists in the ENIP Request Path Network Segment functionality of Allen-Bradley Flex IO 1794-AENT/B 4.003. A specially crafted network request can cause a loss of communications with the device resulting in denial-of-service. An attacker can send a malicious packet to trigger this vulnerability.
References
talos-cna@cisco.comhttps://talosintelligence.com/vulnerability_reports/TALOS-2020-1008Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://talosintelligence.com/vulnerability_reports/TALOS-2020-1008Exploit, Third Party Advisory
Impacted products
Vendor Product Version
rockwellautomation flex_io_1794-aent\/b_firmware 4.003
rockwellautomation flex_io_1794-aent\/b -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Allen-Bradley",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Allen-Bradley Flex IO 1794-AENT/B 4.003"
            }
          ]
        }
      ],
      "source": "talos-cna@cisco.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:rockwellautomation:flex_io_1794-aent\\/b_firmware:4.003:*:*:*:*:*:*:*",
              "matchCriteriaId": "15AC6346-D424-4ADF-B071-6189A941C004",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:h:rockwellautomation:flex_io_1794-aent\\/b:-:*:*:*:*:*:*:*",
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          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An exploitable denial of service vulnerability exists in the ENIP Request Path Network Segment functionality of Allen-Bradley Flex IO 1794-AENT/B 4.003. A specially crafted network request can cause a loss of communications with the device resulting in denial-of-service. An attacker can send a malicious packet to trigger this vulnerability."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de denegaci\u00f3n de servicio explotable en la funcionalidad ENIP Request Path Network Segment de Allen-Bradley Flex IO 1794-AENT/B versi\u00f3n 4.003.\u0026#xa0;Una petici\u00f3n de red especialmente dise\u00f1ada puede causar una p\u00e9rdida de comunicaciones con el dispositivo resultando en una denegaci\u00f3n de servicio.\u0026#xa0;Un atacante puede enviar un paquete malicioso para activar esta vulnerabilidad"
    }
  ],
  "id": "CVE-2020-6088",
  "lastModified": "2026-06-17T03:22:39.970",
  "metrics": {
    "cvssMetricV2": [
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        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "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": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.0"
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        "impactScore": 3.6,
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    "cvssMetricV31": [
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        "cvssData": {
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          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
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          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
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          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  },
  "published": "2021-02-04T07:15:13.540",
  "references": [
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      "tags": [
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  "sourceIdentifier": "talos-cna@cisco.com",
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ],
      "source": "talos-cna@cisco.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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