Security advisory

{
  "id": "f5098f6b5bb0c3a4ae256301082fdfadf7d0e185b69769de2da3fff946bff455",
  "url": "https://osv.dev/vulnerability/CVE-2023-45236",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-45236",
    "summary": "EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.",
    "evidence": "osv:CVE-2023-45236",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-45236",
      "aliases": [
        "CVE-2023-45229",
        "CVE-2023-45230",
        "CVE-2023-45231",
        "CVE-2023-45232",
        "CVE-2023-45233",
        "CVE-2023-45234",
        "CVE-2023-45235",
        "CVE-2023-45236",
        "CVE-2023-45237",
        "GHSA-hc6x-cw6p-gj7h"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/tianocore/edk2",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "8736b8fdca85e02933cdb0a13309de14c9799ece"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "202311"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "edk2-stable202311",
            "edk2-stable202308",
            "edk2-stable202305",
            "edk2-stable202302",
            "edk2-stable202211",
            "edk2-stable202208",
            "edk2-stable202205",
            "edk2-stable202205-rc1",
            "edk2-stable202202",
            "edk2-stable202202-rc1",
            "edk2-stable202111",
            "edk2-stable202111-rc1",
            "edk2-stable202108",
            "edk2-stable202108-rc1",
            "edk2-stable202108-rc0",
            "edk2-stable202105",
            "edk2-stable202102",
            "edk2-stable202011",
            "edk2-stable202008",
            "edk2-stable202005",
            "edk2-stable202002",
            "edk2-stable201911",
            "edk2-stable201908",
            "edk2-stable201905",
            "edk2-stable201903",
            "edk2-stable201811",
            "edk2-stable201808"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-45236.json"
          }
        }
      ],
      "modified": "2026-10-20T10:59:07.483605971Z",
      "provider": "osv",
      "references": [
        "https://www.kb.cert.org/vuls/id/132380",
        "https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h",
        "https://security.netapp.com/advisory/ntap-20240307-0011/"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2023-45229",
        "evidence": "/aliases"
      },
      {
        "value": "CVE-2023-45230",
        "evidence": "/aliases"
      },
      {
        "value": "CVE-2023-45231",
        "evidence": "/aliases"
      },
      {
        "value": "CVE-2023-45232",
        "evidence": "/aliases"
      },
      {
        "value": "CVE-2023-45233",
        "evidence": "/aliases"
      },
      {
        "value": "CVE-2023-45234",
        "evidence": "/aliases"
      },
      {
        "value": "CVE-2023-45235",
        "evidence": "/aliases"
      },
      {
        "value": "CVE-2023-45236",
        "evidence": "/id"
      },
      {
        "value": "CVE-2023-45237",
        "evidence": "/aliases"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387111,
  "published_at": "2024-01-16T16:15:12.82+00:00"
}