Security advisory

{
  "id": "e00c64d31d6563ebae1caf58e1f9a9a8c61ee722ffc21132c1893c7ede3596d9",
  "url": "https://osv.dev/vulnerability/CVE-2020-0603",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-0603",
    "summary": "A remote code execution vulnerability exists in ASP.NET Core software when the software fails to handle objects in memory.An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user, aka 'ASP.NET Core Remote Code Execution Vulnerability'.",
    "evidence": "osv:CVE-2020-0603",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-0603",
      "aliases": [
        "BIT-aspnet-core-2020-0603",
        "CVE-2020-0603",
        "GHSA-655q-9gvg-q4cm"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/dotnet/aspnetcore",
              "type": "GIT",
              "events": [
                {
                  "introduced": "00e08d8c11f4e9649492342c9c613a758efd2e4d"
                },
                {
                  "last_affected": "03019875e4eab279a99ba3ba5ee75fb0e4935ce6"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:microsoft:asp.net_core:2.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.1"
                      },
                      {
                        "last_affected": "2.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:microsoft:asp.net_core:3.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.0"
                      },
                      {
                        "last_affected": "3.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:microsoft:asp.net_core:3.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.1"
                      },
                      {
                        "last_affected": "3.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.1",
            "3.0",
            "3.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-0603.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:59.597473134Z",
      "provider": "osv",
      "references": [
        "https://access.redhat.com/errata/RHSA-2020:0130",
        "https://access.redhat.com/errata/RHSA-2020:0134",
        "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0603"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "redhat:enterprise_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "8.0"
                  },
                  {
                    "last_affected": "8.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*"
            ],
            "vendor_product": "redhat:enterprise_linux_eus",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "8.1"
                  },
                  {
                    "last_affected": "8.1"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-0603",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 439355,
  "published_at": "2020-01-14T23:15:30.347+00:00"
}