FKIE_CVE-2021-36174

Vulnerability from fkie_nvd - Published: 2021-11-02 19:15 - Updated: 2026-06-17 03:58
Severity
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A memory allocation with excessive size value vulnerability in the license verification function of FortiPortal before 6.0.6 may allow an attacker to perform a denial of service attack via specially crafted license blobs.
References
psirt@fortinet.comhttps://fortiguard.com/advisory/FG-IR-21-109Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://fortiguard.com/advisory/FG-IR-21-109Vendor Advisory
Impacted products
Vendor Product Version
fortinet fortiportal *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Fortinet FortiPortal",
          "vendor": "Fortinet",
          "versions": [
            {
              "status": "affected",
              "version": "FortiPortal before 6.0.6"
            }
          ]
        }
      ],
      "source": "psirt@fortinet.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4608D477-FDEB-490F-87FC-3E22E161CD11",
              "versionEndExcluding": "6.0.6",
              "versionStartIncluding": "4.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A memory allocation with excessive size value vulnerability in the license verification function of FortiPortal before 6.0.6 may allow an attacker to perform a denial of service attack via specially crafted license blobs."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de asignaci\u00f3n de memoria con valor de tama\u00f1o excesivo en la funci\u00f3n de verificaci\u00f3n de licencias de FortiPortal versiones anteriores a 6.0.6, puede permitir a un atacante llevar a cabo un ataque de denegaci\u00f3n de servicio por medio de blobs de licencia especialmente dise\u00f1ados"
    }
  ],
  "id": "CVE-2021-36174",
  "lastModified": "2026-06-17T03:58:27.860",
  "metrics": {
    "cvssMetricV2": [
      {
        "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
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "psirt@fortinet.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-36174",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-10-23T13:57:56.677065Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2021-11-02T19:15:07.733",
  "references": [
    {
      "source": "psirt@fortinet.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://fortiguard.com/advisory/FG-IR-21-109"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://fortiguard.com/advisory/FG-IR-21-109"
    }
  ],
  "sourceIdentifier": "psirt@fortinet.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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