FKIE_CVE-2025-46404

Vulnerability from fkie_nvd - Published: 2025-11-05 15:15 - Updated: 2026-10-18 21:10
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A denial of service vulnerability exists in the lasso_provider_verify_saml_signature functionality of Entr'ouvert Lasso 2.5.1. A specially crafted SAML response can lead to a denial of service. An attacker can send a malformed SAML response to trigger this vulnerability.
References
talos-cna@cisco.comhttps://talosintelligence.com/vulnerability_reports/TALOS-2025-2194Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2194Exploit, Third Party Advisory
Impacted products
Vendor Product Version
entrouvert lasso 2.5.1
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Lasso",
          "vendor": "Entr\u0027ouvert",
          "versions": [
            {
              "status": "affected",
              "version": "2.5.1"
            }
          ]
        }
      ],
      "source": "talos-cna@cisco.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:entrouvert:lasso:2.5.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "7177DC8A-9874-45BA-BC80-17604D8A0875",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A denial of service vulnerability exists in the lasso_provider_verify_saml_signature functionality of Entr\u0026#39;ouvert Lasso 2.5.1. A specially crafted SAML response can lead to a denial of service. An attacker can send a malformed SAML response to trigger this vulnerability."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de denegaci\u00f3n de servicio existe en la funcionalidad lasso_provider_verify_saml_signature de Entr\u0027ouvert Lasso 2.5.1. Una respuesta SAML especialmente dise\u00f1ada puede conducir a una denegaci\u00f3n de servicio. Un atacante puede enviar una respuesta SAML malformada para activar esta vulnerabilidad."
    }
  ],
  "id": "CVE-2025-46404",
  "lastModified": "2026-10-18T21:10:00.120",
  "metrics": {
    "cvssMetricV31": [
      {
        "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": "talos-cna@cisco.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-46404",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-11-05T19:01:39.210614Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-11-05T15:15:37.843",
  "references": [
    {
      "source": "talos-cna@cisco.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2025-2194"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2194"
    }
  ],
  "sourceIdentifier": "talos-cna@cisco.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "talos-cna@cisco.com",
      "type": "Secondary"
    }
  ]
}



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