FKIE_CVE-2022-43947

Vulnerability from fkie_nvd - Published: 2023-04-11 17:15 - Updated: 2026-06-17 05:07
Severity
5.0 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
An improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiOS version 7.2.0 through 7.2.3 and before 7.0.10, FortiProxy version 7.2.0 through 7.2.2 and before 7.0.8 administrative interface allows an attacker with a valid user account to perform brute-force attacks on other user accounts via injecting valid login sessions.
References
psirt@fortinet.comhttps://fortiguard.com/psirt/FG-IR-22-444Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://fortiguard.com/psirt/FG-IR-22-444Vendor Advisory
Impacted products
Vendor Product Version
fortinet fortiproxy *
fortinet fortiproxy *
fortinet fortiproxy *
fortinet fortios *
fortinet fortios *
fortinet fortios *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "FortiOS",
          "vendor": "Fortinet",
          "versions": [
            {
              "lessThanOrEqual": "7.2.3",
              "status": "affected",
              "version": "7.2.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.10",
              "status": "affected",
              "version": "7.0.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.4.12",
              "status": "affected",
              "version": "6.4.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.2.13",
              "status": "affected",
              "version": "6.2.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FortiProxy",
          "vendor": "Fortinet",
          "versions": [
            {
              "lessThanOrEqual": "7.2.1",
              "status": "affected",
              "version": "7.2.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.7",
              "status": "affected",
              "version": "7.0.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "2.0.12",
              "status": "affected",
              "version": "2.0.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "1.2.13",
              "status": "affected",
              "version": "1.2.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "1.1.6",
              "status": "affected",
              "version": "1.1.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "1.0.7",
              "status": "affected",
              "version": "1.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "psirt@fortinet.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "040866D8-0D44-4EC2-8801-5F50E51A7CAE",
              "versionEndIncluding": "2.0.9",
              "versionStartIncluding": "1.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "81E60913-FBE9-467B-AB4B-CA85E97527BA",
              "versionEndExcluding": "7.0.8",
              "versionStartIncluding": "7.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F5B24750-4A57-4F80-AAE8-8AC316B376C2",
              "versionEndExcluding": "7.2.2",
              "versionStartIncluding": "7.2.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "AB0B7CC5-F5D8-4912-84BE-2F1D010B97B1",
              "versionEndExcluding": "6.4.13",
              "versionStartIncluding": "6.2.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8870AB06-C50F-452A-952C-30DE7860264E",
              "versionEndExcluding": "7.0.11",
              "versionStartIncluding": "7.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7582B2FF-8EDC-4599-96F3-CFA7BAE1FCF5",
              "versionEndExcluding": "7.2.4",
              "versionStartIncluding": "7.2.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An\u00a0improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiOS version 7.2.0 through 7.2.3 and before 7.0.10, FortiProxy version 7.2.0 through 7.2.2 and before 7.0.8 administrative interface allows an attacker with a valid user account to perform brute-force attacks on other user accounts via injecting valid login sessions."
    }
  ],
  "id": "CVE-2022-43947",
  "lastModified": "2026-06-17T05:07:31.810",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 5.0,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 3.4,
        "source": "psirt@fortinet.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-43947",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-10-22T20:18:15.478464Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-04-11T17:15:07.693",
  "references": [
    {
      "source": "psirt@fortinet.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://fortiguard.com/psirt/FG-IR-22-444"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://fortiguard.com/psirt/FG-IR-22-444"
    }
  ],
  "sourceIdentifier": "psirt@fortinet.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-307"
        }
      ],
      "source": "psirt@fortinet.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-307"
        }
      ],
      "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.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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