Security advisory

{
  "id": "3a4ee816677267e0ae643a1e71624a2bf3ac4ebb92e6fed356eb90706e028f85",
  "url": "https://osv.dev/vulnerability/CVE-2021-22051",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-22051",
    "summary": "Applications using Spring Cloud Gateway are vulnerable to specifically crafted requests that could make an extra request on downstream services. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.5+, 2.2.x users should upgrade to 2.2.10.RELEASE or newer.",
    "evidence": "osv:CVE-2021-22051",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-22051",
      "aliases": [
        "CVE-2021-22051",
        "GHSA-2r2v-q399-qq93"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/spring-cloud/spring-cloud-gateway",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0d5ede041a4d74501a803fccdd039dd011988156"
                },
                {
                  "fixed": "3e68ef129b8d865e058120262e930f7dd025f237"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:vmware:spring_cloud_gateway:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.0.0"
                      },
                      {
                        "fixed": "3.0.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v3.0.4",
            "v3.0.3",
            "v3.0.2",
            "v3.0.1",
            "v3.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-22051.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:16.073259879Z",
      "provider": "osv",
      "references": [
        "https://tanzu.vmware.com/security/cve-2021-22051"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:vmware:spring_cloud_gateway:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "vmware:spring_cloud_gateway",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "2.2.10"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-22051",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 429269,
  "published_at": "2021-11-08T14:15:07.86+00:00"
}