Security advisory

{
  "id": "fc632cb8ddb6c48a41c11a510a43ef2218276b436907bfaf929879c6dc0fe7a9",
  "url": "https://osv.dev/vulnerability/CVE-2020-13333",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-13333",
    "summary": "A potential DOS vulnerability was discovered in GitLab versions 13.1, 13.2 and 13.3. The api to update an asset as a link from a release had a regex check which caused exponential number of backtracks for certain user supplied values resulting in high CPU usage.",
    "evidence": "osv:CVE-2020-13333",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-13333",
      "aliases": [
        "BIT-gitlab-2020-13333",
        "CVE-2020-13333"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://gitlab.com/gitlab-org/gitlab",
              "type": "GIT",
              "events": [
                {
                  "introduced": "1fa237df2f46d34bd56dd8d018183c756094c2e0"
                },
                {
                  "last_affected": "4922d2720ace5802587b8324a77a41b373d08e69"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:13.1.0:*:*:*:community:*:*:*",
                    "range": [
                      {
                        "introduced": "13.1.0"
                      },
                      {
                        "last_affected": "13.1.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:13.1.0:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "13.1.0"
                      },
                      {
                        "last_affected": "13.1.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:13.2.0:*:*:*:community:*:*:*",
                    "range": [
                      {
                        "introduced": "13.2.0"
                      },
                      {
                        "last_affected": "13.2.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:13.2.0:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "13.2.0"
                      },
                      {
                        "last_affected": "13.2.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:13.3.0:*:*:*:community:*:*:*",
                    "range": [
                      {
                        "introduced": "13.3.0"
                      },
                      {
                        "last_affected": "13.3.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:13.3.0:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "13.3.0"
                      },
                      {
                        "last_affected": "13.3.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "13.1.0",
            "13.2.0",
            "13.3.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13333.json"
          }
        }
      ],
      "modified": "2026-10-30T10:30:49.646008429Z",
      "provider": "osv",
      "references": [
        "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13333.json",
        "https://gitlab.com/gitlab-org/gitlab/-/issues/218753",
        "https://hackerone.com/reports/870820"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-13333",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 429601,
  "published_at": "2020-10-06T19:15:13.257+00:00"
}