{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "core",
          "vendor": "ellanetworks",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 1.10.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Ella Core is a 5G core designed for private networks. Prior to 1.10.0, a radio with a valid NG Setup can send a forged PDUSessionResourceSetupResponse carrying any UE\u0027s AMF-UE-NGAP-ID. Ella Core does not verify the message arrived on the SCTP association bound to that UE\u0027s logical NG-connection, then creates a GTP tunnel towards that radio. This vulnerability is fixed in 1.10.0."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-358",
              "description": "CWE-358: Improperly Implemented Security Check for Standard",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-863",
              "description": "CWE-863: Incorrect Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-27T15:16:05.261Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/ellanetworks/core/security/advisories/GHSA-qfxw-v8qx-vj3v",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/ellanetworks/core/security/advisories/GHSA-qfxw-v8qx-vj3v"
        }
      ],
      "source": {
        "advisory": "GHSA-qfxw-v8qx-vj3v",
        "discovery": "UNKNOWN"
      },
      "title": "Ella Core: UE Downlink Redirection via Forged PDUSessionResourceSetupResponse"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-44473",
    "datePublished": "2026-05-27T15:16:05.261Z",
    "dateReserved": "2026-05-06T17:18:51.782Z",
    "dateUpdated": "2026-05-27T15:16:05.261Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-44473\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-05-27T17:16:39.070\",\"lastModified\":\"2026-05-27T20:03:09.937\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Ella Core is a 5G core designed for private networks. Prior to 1.10.0, a radio with a valid NG Setup can send a forged PDUSessionResourceSetupResponse carrying any UE\u0027s AMF-UE-NGAP-ID. Ella Core does not verify the message arrived on the SCTP association bound to that UE\u0027s logical NG-connection, then creates a GTP tunnel towards that radio. This vulnerability is fixed in 1.10.0.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H\",\"baseScore\":7.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":4.2}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-358\"},{\"lang\":\"en\",\"value\":\"CWE-863\"}]}],\"references\":[{\"url\":\"https://github.com/ellanetworks/core/security/advisories/GHSA-qfxw-v8qx-vj3v\",\"source\":\"security-advisories@github.com\"}]}}"
  }
}