{
  "affected": [],
  "aliases": [
    "CVE-2025-62439"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-940"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-10T16:16:09Z",
    "severity": "MODERATE"
  },
  "details": "An Improper Verification of Source of a Communication Channel vulnerability [CWE-940] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions may allow an authenticated user with knowledge of FSSO policy configurations to gain unauthorized access to protected network resources via crafted requests.",
  "id": "GHSA-76xc-486m-c526",
  "modified": "2026-02-10T18:30:37Z",
  "published": "2026-02-10T18:30:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-62439"
    },
    {
      "type": "WEB",
      "url": "https://fortiguard.fortinet.com/psirt/FG-IR-25-384"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

{
  "document": {
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE"
      }
    },
    "lang": "nl",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this page to enhance access to its information and security advisories. The use of this security advisory is subject to the following terms and conditions:\n\n    NCSC-NL makes every reasonable effort to ensure that the content of this page is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or continuous keeping up-to-date. The information contained in this security advisory is intended solely for the purpose of providing general information to professional users. No rights can be derived from the information provided therein.\n\n    NCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of this security advisory. This includes damage resulting from the inaccuracy of incompleteness of the information contained in the advisory.\n    This security advisory is subject to Dutch law. All disputes related to or arising from the use of this advisory will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings."
      },
      {
        "category": "description",
        "text": "Fortinet heeft kwetsbaarheden verholpen in FortiOS (Versies 7.0 tot 7.6.4, 7.4.0 tot 7.4.9, en 7.2.0 tot 7.2.11).",
        "title": "Feiten"
      },
      {
        "category": "description",
        "text": "De kwetsbaarheden omvatten een Authentication Bypass die ongeauthenticeerde aanvallers in staat stelt om LDAP-authenticatie te omzeilen voor Agentless VPN of FSSO-beleid, afhankelijk van specifieke configuraties van de LDAP-server. Daarnaast kunnen ongeauthenticeerde aanvallers gevoelige informatie blootleggen door patches te omzeilen via speciaal gemaakte HTTP-verzoeken. Er is ook een kwetsbaarheid die geauthenticeerde beheerders in staat stelt om ongeautoriseerde code uit te voeren via speciaal gemaakte configuraties, en een andere die geauthenticeerde gebruikers in staat stelt om FSSO-beleid configuraties te exploiteren voor ongeautoriseerde toegang tot beschermde netwerkbronnen. Beide kwetsbaarheden kunnen worden misbruikt via speciaal gemaakte verzoeken.",
        "title": "Interpretaties"
      },
      {
        "category": "description",
        "text": "Fortinet heeft updates uitgebracht om de kwetsbaarheden te verhelpen. Zie bijgevoegde referenties voor meer informatie.",
        "title": "Oplossingen"
      },
      {
        "category": "general",
        "text": "medium",
        "title": "Kans"
      },
      {
        "category": "general",
        "text": "high",
        "title": "Schade"
      },
      {
        "category": "general",
        "text": "Use of Externally-Controlled Format String",
        "title": "CWE-134"
      },
      {
        "category": "general",
        "text": "Exposure of Sensitive Information to an Unauthorized Actor",
        "title": "CWE-200"
      },
      {
        "category": "general",
        "text": "Authentication Bypass by Primary Weakness",
        "title": "CWE-305"
      },
      {
        "category": "general",
        "text": "Improper Verification of Source of a Communication Channel",
        "title": "CWE-940"
      }
    ],
    "publisher": {
      "category": "coordinator",
      "contact_details": "cert@ncsc.nl",
      "name": "Nationaal Cyber Security Centrum",
      "namespace": "https://www.ncsc.nl/"
    },
    "references": [
      {
        "category": "external",
        "summary": "Reference",
        "url": "https://fortiguard.fortinet.com/psirt/FG-IR-25-1052"
      },
      {
        "category": "external",
        "summary": "Reference",
        "url": "https://fortiguard.fortinet.com/psirt/FG-IR-25-384"
      },
      {
        "category": "external",
        "summary": "Reference",
        "url": "https://fortiguard.fortinet.com/psirt/FG-IR-25-795"
      },
      {
        "category": "external",
        "summary": "Reference",
        "url": "https://fortiguard.fortinet.com/psirt/FG-IR-25-934"
      }
    ],
    "title": "Kwetsbaarheden verholpen in Fortinet FortiOS",
    "tracking": {
      "current_release_date": "2026-02-11T11:34:50.888067Z",
      "generator": {
        "date": "2025-08-04T16:30:00Z",
        "engine": {
          "name": "V.A.",
          "version": "1.3"
        }
      },
      "id": "NCSC-2026-0061",
      "initial_release_date": "2026-02-11T11:34:50.888067Z",
      "revision_history": [
        {
          "date": "2026-02-11T11:34:50.888067Z",
          "number": "1.0.0",
          "summary": "Initiele versie"
        }
      ],
      "status": "final",
      "version": "1.0.0"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:unknown/*",
                "product": {
                  "name": "vers:unknown/*",
                  "product_id": "CSAFPID-1"
                }
              }
            ],
            "category": "product_name",
            "name": "FortiOS"
          }
        ],
        "category": "vendor",
        "name": "Fortinet"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-22153",
      "cwe": {
        "id": "CWE-305",
        "name": "Authentication Bypass by Primary Weakness"
      },
      "notes": [
        {
          "category": "other",
          "text": "Authentication Bypass by Primary Weakness",
          "title": "CWE-305"
        },
        {
          "category": "description",
          "text": "A vulnerability in Fortinet FortiOS versions 7.6.0 to 7.6.4 allows unauthenticated attackers to bypass LDAP authentication for Agentless VPN or FSSO policy under specific LDAP server configurations.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-22153 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-22153.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-1"
          ]
        }
      ],
      "title": "CVE-2026-22153"
    },
    {
      "cve": "CVE-2025-68686",
      "cwe": {
        "id": "CWE-200",
        "name": "Exposure of Sensitive Information to an Unauthorized Actor"
      },
      "notes": [
        {
          "category": "other",
          "text": "Exposure of Sensitive Information to an Unauthorized Actor",
          "title": "CWE-200"
        },
        {
          "category": "description",
          "text": "Fortinet FortiOS versions 7.6.0 to 7.6.1 and 7.4.0 to 7.4.6 have vulnerabilities allowing remote unauthenticated attackers to expose sensitive information by bypassing patches through crafted HTTP requests, contingent on prior compromises.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2025-68686 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2025/cve-2025-68686.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-1"
          ]
        }
      ],
      "title": "CVE-2025-68686"
    },
    {
      "cve": "CVE-2025-64157",
      "cwe": {
        "id": "CWE-134",
        "name": "Use of Externally-Controlled Format String"
      },
      "notes": [
        {
          "category": "other",
          "text": "Use of Externally-Controlled Format String",
          "title": "CWE-134"
        },
        {
          "category": "description",
          "text": "A vulnerability in Fortinet FortiOS versions 7.0 to 7.6.4 allows authenticated admins to execute unauthorized code through specially crafted configurations due to an externally-controlled format string issue.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2025-64157 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2025/cve-2025-64157.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-1"
          ]
        }
      ],
      "title": "CVE-2025-64157"
    },
    {
      "cve": "CVE-2025-62439",
      "cwe": {
        "id": "CWE-940",
        "name": "Improper Verification of Source of a Communication Channel"
      },
      "notes": [
        {
          "category": "other",
          "text": "Improper Verification of Source of a Communication Channel",
          "title": "CWE-940"
        },
        {
          "category": "description",
          "text": "Fortinet FortiOS versions 7.0 to 7.6.4 have vulnerabilities allowing authenticated users to exploit FSSO policy configurations for unauthorized access to network resources via crafted requests.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2025-62439 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2025/cve-2025-62439.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 4.2,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-1"
          ]
        }
      ],
      "title": "CVE-2025-62439"
    }
  ]
}

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "FortiSandbox versions 5.0.x ant\u00e9rieures \u00e0 5.0.2",
      "product": {
        "name": "FortiSandbox",
        "vendor": {
          "name": "Fortinet",
          "scada": false
        }
      }
    },
    {
      "description": "FortiClientWindows versions 7.4.x ant\u00e9rieures \u00e0 7.4.5",
      "product": {
        "name": "FortiClient",
        "vendor": {
          "name": "Fortinet",
          "scada": false
        }
      }
    },
    {
      "description": "FortiClientWindows versions 7.x ant\u00e9rieures \u00e0 7.2.13",
      "product": {
        "name": "FortiClient",
        "vendor": {
          "name": "Fortinet",
          "scada": false
        }
      }
    },
    {
      "description": "FortiSandbox versions 4.x ant\u00e9rieures \u00e0 4.4.8",
      "product": {
        "name": "FortiSandbox",
        "vendor": {
          "name": "Fortinet",
          "scada": false
        }
      }
    },
    {
      "description": "FortiAuthenticator versions 6.3.x \u00e0 6.6.x ant\u00e9rieures \u00e0 6.6.7",
      "product": {
        "name": "FortiAuthenticator",
        "vendor": {
          "name": "Fortinet",
          "scada": false
        }
      }
    },
    {
      "description": "FortiOS versions 7.6.x ant\u00e9rieures \u00e0 7.6.5 avec FSSO TS Agent version 5.0 build 0324",
      "product": {
        "name": "FortiOS",
        "vendor": {
          "name": "Fortinet",
          "scada": false
        }
      }
    },
    {
      "description": "FortiOS versions 6.x \u00e0 7.x ant\u00e9rieures \u00e0 7.4.10 avec FSSO TS Agent version 5.0 build 0324",
      "product": {
        "name": "FortiOS",
        "vendor": {
          "name": "Fortinet",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2025-55018",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-55018"
    },
    {
      "name": "CVE-2025-62439",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-62439"
    },
    {
      "name": "CVE-2026-21743",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-21743"
    },
    {
      "name": "CVE-2026-22153",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-22153"
    },
    {
      "name": "CVE-2025-68686",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-68686"
    },
    {
      "name": "CVE-2025-64157",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-64157"
    },
    {
      "name": "CVE-2025-52436",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-52436"
    },
    {
      "name": "CVE-2025-62676",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-62676"
    }
  ],
  "initial_release_date": "2026-02-11T00:00:00",
  "last_revision_date": "2026-02-11T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0147",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-02-11T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Injection de code indirecte \u00e0 distance (XSS)"
    },
    {
      "description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    },
    {
      "description": "\u00c9l\u00e9vation de privil\u00e8ges"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans les produits Fortinet. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire \u00e0 distance, une \u00e9l\u00e9vation de privil\u00e8ges et une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Fortinet",
  "vendor_advisories": [
    {
      "published_at": "2026-02-10",
      "title": "Bulletin de s\u00e9curit\u00e9 Fortinet FG-IR-25-795",
      "url": "https://www.fortiguard.com/psirt/FG-IR-25-795"
    },
    {
      "published_at": "2026-02-10",
      "title": "Bulletin de s\u00e9curit\u00e9 Fortinet FG-IR-25-934",
      "url": "https://www.fortiguard.com/psirt/FG-IR-25-934"
    },
    {
      "published_at": "2026-02-10",
      "title": "Bulletin de s\u00e9curit\u00e9 Fortinet FG-IR-25-1052",
      "url": "https://www.fortiguard.com/psirt/FG-IR-25-1052"
    },
    {
      "published_at": "2026-02-10",
      "title": "Bulletin de s\u00e9curit\u00e9 Fortinet FG-IR-25-384",
      "url": "https://www.fortiguard.com/psirt/FG-IR-25-384"
    },
    {
      "published_at": "2026-02-10",
      "title": "Bulletin de s\u00e9curit\u00e9 Fortinet FG-IR-25-093",
      "url": "https://www.fortiguard.com/psirt/FG-IR-25-093"
    },
    {
      "published_at": "2026-02-10",
      "title": "Bulletin de s\u00e9curit\u00e9 Fortinet FG-IR-25-661",
      "url": "https://www.fortiguard.com/psirt/FG-IR-25-661"
    },
    {
      "published_at": "2026-02-10",
      "title": "Bulletin de s\u00e9curit\u00e9 Fortinet FG-IR-25-528",
      "url": "https://www.fortiguard.com/psirt/FG-IR-25-528"
    },
    {
      "published_at": "2026-02-10",
      "title": "Bulletin de s\u00e9curit\u00e9 Fortinet FG-IR-25-667",
      "url": "https://www.fortiguard.com/psirt/FG-IR-25-667"
    }
  ]
}

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An Improper Verification of Source of a Communication Channel vulnerability [CWE-940] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions may allow an authenticated user with knowledge of FSSO policy configurations to gain unauthorized access to protected network resources via crafted requests."
    }
  ],
  "id": "CVE-2025-62439",
  "lastModified": "2026-02-10T21:52:01.987",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 4.2,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.1,
        "impactScore": 2.7,
        "source": "psirt@fortinet.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-02-10T16:16:09.080",
  "references": [
    {
      "source": "psirt@fortinet.com",
      "url": "https://fortiguard.fortinet.com/psirt/FG-IR-25-384"
    }
  ],
  "sourceIdentifier": "psirt@fortinet.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-940"
        }
      ],
      "source": "psirt@fortinet.com",
      "type": "Primary"
    }
  ]
}