Security advisory

{
  "id": "02d0cbbcd78d5439a20beb2b5db334f36d6cc2ff9769d1dfc893d44e3dd3cc9c",
  "url": "https://osv.dev/vulnerability/CVE-2020-28407",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-28407",
    "summary": "In swtpm before 0.4.2 and 0.5.x before 0.5.1, a local attacker may be able to overwrite arbitrary files via a symlink attack against a temporary file such as TMP2-00.permall.",
    "evidence": "osv:CVE-2020-28407",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-28407",
      "aliases": [
        "CVE-2020-28407"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/stefanberger/swtpm",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2df14e343b43ea576e0f8cc106670303446682ac"
                },
                {
                  "introduced": "b931e1098533319f67e789f03c13a767a1772f7b"
                },
                {
                  "last_affected": "b931e1098533319f67e789f03c13a767a1772f7b"
                },
                {
                  "fixed": "96f5a04c3d6cc0a8604f311df246b872a93a70e4"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:swtpm_project:swtpm:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.4.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:swtpm_project:swtpm:0.5.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.5.0"
                      },
                      {
                        "last_affected": "0.5.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "2df14e343b43ea576e0f8cc106670303446682ac"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v0.4.2"
                  },
                  {
                    "range": [
                      {
                        "fixed": "96f5a04c3d6cc0a8604f311df246b872a93a70e4"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v0.5.1"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.5.0",
            "v0.5.0",
            "v0.4.1",
            "v0.4.0",
            "v0.3.0",
            "v0.2.0",
            "v0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-28407.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:19.989794057Z",
      "provider": "osv",
      "references": [
        "https://github.com/stefanberger/swtpm/releases/tag/v0.4.2",
        "https://github.com/stefanberger/swtpm/releases/tag/v0.5.1",
        "https://bugzilla.suse.com/show_bug.cgi?id=1198395"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-28407",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385067,
  "published_at": "2023-11-03T04:15:15.447+00:00"
}