Security advisory

{
  "id": "b7b6b8ca75069cf8525f718c13d3ae23fd9689294e0e5be838317d37d20bd208",
  "url": "https://osv.dev/vulnerability/CVE-2020-16136",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-16136",
    "summary": "In tgstation-server 4.4.0 and 4.4.1, an authenticated user with permission to download logs can download any file on the server machine (accessible by the owner of the server process) via directory traversal ../ sequences in /Administration/Logs/ requests. The attacker is unable to enumerate files, however.",
    "evidence": "osv:CVE-2020-16136",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-16136",
      "aliases": [
        "CVE-2020-16136",
        "GHSA-r8pp-42wr-2gc4"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/tgstation/tgstation-server",
              "type": "GIT",
              "events": [
                {
                  "introduced": "e9ecf4f382cb3581e52881e2479a0eec5f12612c"
                },
                {
                  "last_affected": "5432ae41ccab80a0f5b6af17e3bda9c290aaee94"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:tgstation13:tgstation-server:4.4.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.4.0"
                      },
                      {
                        "last_affected": "4.4.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:tgstation13:tgstation-server:4.4.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.4.1"
                      },
                      {
                        "last_affected": "4.4.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.4.0",
            "4.4.1",
            "tgstation-server-v4.4.1",
            "tgstation-server-v4.4.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-16136.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:58.089767435Z",
      "provider": "osv",
      "references": [
        "https://github.com/tgstation/tgstation-server",
        "https://github.com/tgstation/tgstation-server/security/advisories/GHSA-r8pp-42wr-2gc4"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-16136",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383173,
  "published_at": "2020-07-31T16:15:11.12+00:00"
}