Security advisory

{
  "id": "7eab9de98619efbf178853456f8b7ee84382ef69ae04368a3160379a02e96fd8",
  "url": "https://osv.dev/vulnerability/CVE-2020-24554",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-24554",
    "summary": "The redirect module in Liferay Portal before 7.3.3 does not limit the number of URLs resulting in a 404 error that is recorded, which allows remote attackers to perform a denial of service attack by making repeated requests for pages that do not exist.",
    "evidence": "osv:CVE-2020-24554",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-24554",
      "aliases": [
        "CVE-2020-24554",
        "GHSA-mg53-xr8m-86hw"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/liferay/liferay-portal",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "77b773677e0fa17b1a869414ad66220245ba96a8"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:liferay:liferay_portal:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "7.3.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "7.3.2-ga3",
            "7.3.1-ga2",
            "7.3.0-ga1",
            "7.2.0-b3",
            "7.2.0-b2",
            "7.2.0-b1",
            "7.2.0-a1",
            "7.2.0-m2",
            "7.1.0-b2",
            "7.1.0-b1",
            "7.1.0-a2",
            "7.1.0-a1",
            "7.1.0-m2",
            "7.1.0-m1",
            "sync-3.1.0-ga1",
            "sync-3.0.10-ga2",
            "sync-3.0.9-ga1",
            "sync-3.0.8-b9",
            "7.0.0-m5",
            "sync-3.0.7-b8",
            "sync-3.0.6-b7",
            "sync-3.0.5-b6",
            "sync-3.0.4-b5",
            "sync-3.0.3-b4",
            "sync-3.0.2-b3",
            "sync-3.0.1-b2",
            "sync-3.0.0-b1",
            "7.0.0-m4",
            "7.0.0-m3",
            "7.0.0-m2",
            "7.0.0-m1",
            "6.2.0-b2",
            "6.2.0-b1",
            "6.2.0-m6",
            "6.2.0-m5",
            "6.2.0-m4",
            "6.2.0-m3",
            "6.2.0-m2",
            "6.1.0-rc1",
            "6.1.0-b4",
            "6.1.0-b3",
            "6.1.0-b2",
            "6.1.0-b1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-24554.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:15.716464238Z",
      "provider": "osv",
      "references": [
        "https://portal.liferay.dev/learn/security/known-vulnerabilities",
        "https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119784956"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-24554",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 429208,
  "published_at": "2020-09-01T14:15:12.487+00:00"
}