Security advisory

{
  "id": "442e3091b1718b71bc2d47762e33bf29abef9b83febaab48f0e9b3d06b382d26",
  "url": "https://osv.dev/vulnerability/CVE-2021-22565",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-22565",
    "summary": "An attacker could prematurely expire a verification code, making it unusable by the patient, making the patient unable to upload their TEKs to generate exposure notifications. We recommend upgrading the Exposure Notification server to V1.1.2 or greater.",
    "evidence": "osv:CVE-2021-22565",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-22565",
      "aliases": [
        "CVE-2021-22565",
        "GHSA-wx8q-rgfr-cf6v",
        "GO-2022-0270"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/google/exposure-notifications-verification-server",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "f47bca0a8bae622e8d2584f9ae51b027e499a35f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:google:exposure_notification_verification_server:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.1.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "f47bca0a8bae622e8d2584f9ae51b027e499a35f"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v1.1.2"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.1.1",
            "v1.1.0",
            "v1.0.0",
            "v0.37.0",
            "v0.36.0",
            "v0.35.1",
            "v0.35.2",
            "v0.35.0",
            "v0.34.2",
            "v0.34.1",
            "v0.34.0",
            "v0.33.1",
            "v0.33.0",
            "v0.32.0",
            "v0.31.0",
            "v0.30.0",
            "v0.29.0",
            "v0.28.0",
            "v0.27.0",
            "v0.26.0",
            "v0.25.0",
            "v0.24.0",
            "v0.23.0",
            "v0.22.2",
            "v0.22.1",
            "v0.22.0",
            "v0.21.2",
            "v0.21.1",
            "v0.21.0",
            "v0.20.0",
            "v0.19.2",
            "v0.19.1",
            "v0.18.1",
            "v0.18.0",
            "v0.17.1",
            "v0.17.0",
            "v0.16.0",
            "v0.15.1",
            "v0.15.0",
            "v0.14.0",
            "v0.13.0",
            "v0.12.1",
            "v0.12.0",
            "v0.11.1",
            "v0.11.0",
            "v0.9.0",
            "v0.8.0",
            "v0.7.0",
            "v0.6.0",
            "v0.5.1",
            "v0.5.0",
            "v0.4.0",
            "v0.3.0",
            "v0.2.0",
            "v0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-22565.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:30.975683590Z",
      "provider": "osv",
      "references": [
        "https://github.com/google/exposure-notifications-verification-server/security/advisories/GHSA-wx8q-rgfr-cf6v",
        "https://github.com/google/exposure-notifications-verification-server/releases/tag/v1.1.2"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-22565",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385473,
  "published_at": "2021-12-09T13:15:08.767+00:00"
}