FKIE_CVE-2026-22153

Vulnerability from fkie_nvd - Published: 2026-02-10 16:16 - Updated: 2026-06-17 10:19
Severity
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
An Authentication Bypass by Primary Weakness vulnerability [CWE-305] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4 may allow an unauthenticated attacker to bypass LDAP authentication of Agentless VPN or FSSO policy, when the remote LDAP server is configured in a specific way.
References
psirt@fortinet.comhttps://fortiguard.fortinet.com/psirt/FG-IR-25-1052Vendor Advisory
Impacted products
Vendor Product Version
fortinet fortios *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:o:fortinet:fortios:7.6.4:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.6.2:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.6.1:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "FortiOS",
          "vendor": "Fortinet",
          "versions": [
            {
              "lessThanOrEqual": "7.6.4",
              "status": "affected",
              "version": "7.6.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "psirt@fortinet.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "26DF2CCC-782C-4AE8-8CDE-13FFEE8676E6",
              "versionEndExcluding": "7.6.5",
              "versionStartIncluding": "7.6.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An Authentication Bypass by Primary Weakness vulnerability [CWE-305] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4 may allow an unauthenticated attacker to bypass LDAP authentication of Agentless VPN or FSSO policy, when the remote LDAP server is configured in a specific way."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de omisi\u00f3n de autenticaci\u00f3n por debilidad primaria [CWE-305] en Fortinet FortiOS 7.6.0 hasta 7.6.4 podr\u00eda permitir a un atacante no autenticado omitir la autenticaci\u00f3n LDAP de la pol\u00edtica de VPN sin agente o FSSO, cuando el servidor LDAP remoto est\u00e1 configurado de una manera espec\u00edfica."
    }
  ],
  "id": "CVE-2026-22153",
  "lastModified": "2026-06-17T10:19:27.010",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9,
        "source": "psirt@fortinet.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-22153",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-02-11T04:56:21.036753Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-02-10T16:16:11.050",
  "references": [
    {
      "source": "psirt@fortinet.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://fortiguard.fortinet.com/psirt/FG-IR-25-1052"
    }
  ],
  "sourceIdentifier": "psirt@fortinet.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-305"
        }
      ],
      "source": "psirt@fortinet.com",
      "type": "Secondary"
    }
  ]
}



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