fkie_cve-2021-26111
Vulnerability from fkie_nvd
Published
2021-06-01 20:15
Modified
2024-11-21 05:55
Severity ?
6.5 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
6.5 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A missing release of memory after effective lifetime vulnerability in FortiSwitch 6.4.0 to 6.4.6, 6.2.0 to 6.2.6, 6.0.0 to 6.0.6, 3.6.11 and below may allow an attacker on an adjacent network to exhaust available memory by sending specifically crafted LLDP/CDP/EDP packets to the device.
References
psirt@fortinet.comhttps://fortiguard.com/advisory/FG-IR-21-026Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://fortiguard.com/advisory/FG-IR-21-026Vendor Advisory
Impacted products
Vendor Product Version
fortinet fortiswitch *
fortinet fortiswitch *
fortinet fortiswitch *
fortinet fortiswitch *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fortinet:fortiswitch:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "FB555E71-2F04-4C88-9B13-026A6510618C",
              "versionEndIncluding": "3.6.11",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:fortinet:fortiswitch:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3AC81534-CBEC-41A3-B80A-466F74EA8BC4",
              "versionEndIncluding": "6.0.6",
              "versionStartIncluding": "6.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:fortinet:fortiswitch:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "DDE660F5-928F-4E7A-870C-9D90AF60EE23",
              "versionEndIncluding": "6.2.6",
              "versionStartIncluding": "6.2.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:fortinet:fortiswitch:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3CF8ED75-2ACA-4329-A025-DB4524ACF4DB",
              "versionEndIncluding": "6.4.6",
              "versionStartIncluding": "6.4.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A missing release of memory after effective lifetime vulnerability in FortiSwitch 6.4.0 to 6.4.6, 6.2.0 to 6.2.6, 6.0.0 to 6.0.6, 3.6.11 and below may allow an attacker on an adjacent network to exhaust available memory by sending specifically crafted LLDP/CDP/EDP packets to the device."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de falta de liberaci\u00f3n de memoria despu\u00e9s del tiempo de vida efectivo en FortiSwitch versiones 6.4.0 hasta 6.4.6, versiones 6.2.0 hasta 6.2.6, versiones 6.0.0 hasta 6.0.6, versiones 3.6.11 y anteriores, puede permitir a un atacante en una red adyacente agotar la memoria disponible mediante el env\u00edo de paquetes LLDP/CDP/EDP espec\u00edficamente dise\u00f1ados al dispositivo"
    }
  ],
  "id": "CVE-2021-26111",
  "lastModified": "2024-11-21T05:55:53.160",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "ADJACENT_NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 3.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 6.5,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "psirt@fortinet.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-06-01T20:15:08.413",
  "references": [
    {
      "source": "psirt@fortinet.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://fortiguard.com/advisory/FG-IR-21-026"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://fortiguard.com/advisory/FG-IR-21-026"
    }
  ],
  "sourceIdentifier": "psirt@fortinet.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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