Security advisory

{
  "id": "52da5312ec28735bdcfcaa817f22505dda13ba336902950a6e8e4ed6d8d97690",
  "url": "https://osv.dev/vulnerability/CVE-2020-10955",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-10955",
    "summary": "GitLab EE/CE 11.1 through 12.9 is vulnerable to parameter tampering on an upload feature that allows an unauthorized user to read content available under specific folders.",
    "evidence": "osv:CVE-2020-10955",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-10955",
      "aliases": [
        "BIT-gitlab-2020-10955",
        "CVE-2020-10955"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://gitlab.com/gitlab-org/gitlab",
              "type": "GIT",
              "events": [
                {
                  "introduced": "7c11ed8c916a10f6d9c32635986008b48410531f"
                },
                {
                  "fixed": "0ebcf602332fc27fc2bc8a2eb7b14d7a1685c343"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                    "range": [
                      {
                        "introduced": "11.1.0"
                      },
                      {
                        "fixed": "12.9.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "11.1.0"
                      },
                      {
                        "fixed": "12.9.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-10955.json"
          }
        }
      ],
      "modified": "2026-10-30T10:30:24.426938940Z",
      "provider": "osv",
      "references": [
        "https://about.gitlab.com/releases/2020/03/26/security-release-12-dot-9-dot-1-released/",
        "https://about.gitlab.com/releases/categories/releases/",
        "https://www.debian.org/security/2020/dsa-4691"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "10.0"
                  },
                  {
                    "last_affected": "10.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-10955",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 430447,
  "published_at": "2020-03-27T19:15:11.383+00:00"
}