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CVE-2026-8252

Estado: AnalizadaBaja (2.1)—

A vulnerability was determined in Open5GS up to 2.7.7. Affected is the function smf_nsmf_handle_create_data_in_hsmf of the component SMF. Executing a manipulation can lead to null pointer dereference. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Open5gs — Open5gs

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-8252",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-8252",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-05-11T12:49:41.601123Z"
        }
      }
    ],
    "cvssMetricV2": [
      {
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        "source": "cna@vuldb.com",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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    ],
    "cvssMetricV31": [
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        "type": "Secondary",
        "source": "cna@vuldb.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
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        "exploitabilityScore": 2.8
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    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "cna@vuldb.com",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 2.1,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "LOW",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "LOW",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "LOW",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
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      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*"
          ],
          "vendor": "n/a",
          "modules": [
            "SMF"
          ],
          "product": "Open5GS",
          "versions": [
            {
              "status": "affected",
              "version": "2.7.0"
            },
            {
              "status": "affected",
              "version": "2.7.1"
            },
            {
              "status": "affected",
              "version": "2.7.2"
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              "version": "2.7.3"
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              "status": "affected",
              "version": "2.7.4"
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            {
              "status": "affected",
              "version": "2.7.5"
            },
            {
              "status": "affected",
              "version": "2.7.6"
            },
            {
              "status": "affected",
              "version": "2.7.7"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-05-11T00:16:33.317",
  "references": [
    {
      "url": "https://github.com/open5gs/open5gs/",
      "tags": [
        "Product"
      ],
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://github.com/open5gs/open5gs/issues/4446",
      "tags": [
        "Exploit",
        "Issue Tracking"
      ],
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/submit/808482",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/362549",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/362549/cti",
      "tags": [
        "Permissions Required",
        "VDB Entry"
      ],
      "source": "cna@vuldb.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cna@vuldb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-404"
        },
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability was determined in Open5GS up to 2.7.7. Affected is the function smf_nsmf_handle_create_data_in_hsmf of the component SMF. Executing a manipulation can lead to null pointer dereference. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet."
    },
    {
      "lang": "es",
      "value": "Se determinó una vulnerabilidad en Open5GS hasta 2.7.7. La función afectada es smf_nsmf_handle_create_data_in_hsmf del componente SMF. La ejecución de una manipulación puede llevar a una desreferencia de puntero nulo. El ataque puede realizarse de forma remota. El exploit ha sido divulgado públicamente y puede ser utilizado. Se informó al proyecto del problema con antelación a través de un informe de incidencia, pero aún no ha respondido."
    }
  ],
  "lastModified": "2026-07-24T07:10:00.200",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "0A46BC99-08E7-4D40-A908-76121E4AFCD5",
              "versionEndIncluding": "2.7.7"
            }
          ],
          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "cna@vuldb.com"
}