{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "udr",
          "vendor": "free5gc",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c= 1.4.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "free5GC is an open-source project for 5th generation (5G) mobile core networks. Versions up to and including 1.4.1 of the User Data Repository are affected by Improper Error Handling with Information Exposure. The NEF component reliably leaks internal parsing error details (e.g., invalid character \u0027n\u0027 after top-level value) to remote clients, which can aid attackers in service fingerprinting. All deployments of free5GC using the Nnef_PfdManagement service may be vulnerable. free5gc/udr pull request 56 contains a patch. No direct workaround is available at the application level. Applying the official patch is recommended."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 6.6,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "NONE"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-209",
              "description": "CWE-209: Generation of Error Message Containing Sensitive Information",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-24T00:01:05.794Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/free5gc/free5gc/security/advisories/GHSA-cj2h-x8qm-xgwc",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/free5gc/free5gc/security/advisories/GHSA-cj2h-x8qm-xgwc"
        },
        {
          "name": "https://github.com/free5gc/free5gc/issues/753",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/free5gc/free5gc/issues/753"
        },
        {
          "name": "https://github.com/free5gc/udr/pull/56",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/free5gc/udr/pull/56"
        },
        {
          "name": "https://github.com/free5gc/udr/commit/754d23b03755ad59077ed529ce3b971e477080c4",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/free5gc/udr/commit/754d23b03755ad59077ed529ce3b971e477080c4"
        }
      ],
      "source": {
        "advisory": "GHSA-cj2h-x8qm-xgwc",
        "discovery": "UNKNOWN"
      },
      "title": "free5GC vulnerable to improper error handling in NEF with information exposure"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2025-69253",
    "datePublished": "2026-02-24T00:01:05.794Z",
    "dateReserved": "2025-12-30T14:07:48.460Z",
    "dateUpdated": "2026-02-24T00:01:05.794Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-69253\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-02-24T01:16:11.913\",\"lastModified\":\"2026-02-24T14:13:49.320\",\"vulnStatus\":\"Undergoing Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"free5GC is an open-source project for 5th generation (5G) mobile core networks. Versions up to and including 1.4.1 of the User Data Repository are affected by Improper Error Handling with Information Exposure. The NEF component reliably leaks internal parsing error details (e.g., invalid character \u0027n\u0027 after top-level value) to remote clients, which can aid attackers in service fingerprinting. All deployments of free5GC using the Nnef_PfdManagement service may be vulnerable. free5gc/udr pull request 56 contains a patch. No direct workaround is available at the application level. Applying the official patch is recommended.\"},{\"lang\":\"es\",\"value\":\"free5GC es un proyecto de c\u00f3digo abierto para redes de n\u00facleo m\u00f3vil de quinta generaci\u00f3n (5G). Las versiones hasta e incluyendo la 1.4.1 del Repositorio de Datos de Usuario est\u00e1n afectadas por Manejo Inadecuado de Errores con Exposici\u00f3n de Informaci\u00f3n. El componente NEF filtra de forma fiable detalles internos de errores de an\u00e1lisis (p. ej., car\u00e1cter no v\u00e1lido \u0027n\u0027 despu\u00e9s del valor de nivel superior) a clientes remotos, lo que puede ayudar a los atacantes en la huella digital del servicio. Todas las implementaciones de free5GC que utilizan el servicio Nnef_PfdManagement pueden ser vulnerables. La solicitud de extracci\u00f3n 56 de free5gc/udr contiene un parche. No hay una soluci\u00f3n alternativa directa disponible a nivel de aplicaci\u00f3n. Se recomienda aplicar el parche oficial.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X\",\"baseScore\":6.6,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"HIGH\",\"vulnIntegrityImpact\":\"NONE\",\"vulnAvailabilityImpact\":\"NONE\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"UNREPORTED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-209\"}]}],\"references\":[{\"url\":\"https://github.com/free5gc/free5gc/issues/753\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/free5gc/free5gc/security/advisories/GHSA-cj2h-x8qm-xgwc\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/free5gc/udr/commit/754d23b03755ad59077ed529ce3b971e477080c4\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/free5gc/udr/pull/56\",\"source\":\"security-advisories@github.com\"}]}}"
  }
}