Security advisory

{
  "id": "e469432962c299a4366ea388555c811697d0cbc7f361f009918af1d57e58dd07",
  "url": "https://osv.dev/vulnerability/CVE-2021-38575",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-38575",
    "summary": "NetworkPkg/IScsiDxe has remotely exploitable buffer overflows.",
    "evidence": "osv:CVE-2021-38575",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-38575",
      "aliases": [
        "CVE-2021-38575"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/tianocore/edk2",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "e1999b264f1f9d7230edf2448f757c73da567832"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "202105"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "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-2021-38575.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:35.152900631Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html",
        "https://www.insyde.com/security-pledge/SA-2023025",
        "https://bugzilla.tianocore.org/show_bug.cgi?id=3356"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:insyde:kernel:5.0:*:*:*:*:*:*:*",
              "cpe:2.3:o:insyde:kernel:5.1:*:*:*:*:*:*:*",
              "cpe:2.3:o:insyde:kernel:5.2:*:*:*:*:*:*:*",
              "cpe:2.3:o:insyde:kernel:5.3:*:*:*:*:*:*:*",
              "cpe:2.3:o:insyde:kernel:5.4:*:*:*:*:*:*:*",
              "cpe:2.3:o:insyde:kernel:5.5:*:*:*:*:*:*:*"
            ],
            "vendor_product": "insyde:kernel",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "5.0"
                  },
                  {
                    "last_affected": "5.0"
                  },
                  {
                    "introduced": "5.1"
                  },
                  {
                    "last_affected": "5.1"
                  },
                  {
                    "introduced": "5.2"
                  },
                  {
                    "last_affected": "5.2"
                  },
                  {
                    "introduced": "5.3"
                  },
                  {
                    "last_affected": "5.3"
                  },
                  {
                    "introduced": "5.4"
                  },
                  {
                    "last_affected": "5.4"
                  },
                  {
                    "introduced": "5.5"
                  },
                  {
                    "last_affected": "5.5"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-38575",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 433685,
  "published_at": "2021-12-01T18:15:07.76+00:00"
}