Security advisory

{
  "id": "5c43ec46d93fe0c6c1203674e00f3f5571e5bbd9ce4772a92367af7f25d22eb7",
  "url": "https://osv.dev/vulnerability/CVE-2020-13702",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-13702",
    "summary": "The Rolling Proximity Identifier used in the Apple/Google Exposure Notification API beta through 2020-05-29 enables attackers to circumvent Bluetooth Smart Privacy because there is a secondary temporary UID. An attacker with access to Beacon or IoT networks can seamlessly track individual device movement via a Bluetooth LE discovery mechanism.",
    "evidence": "osv:CVE-2020-13702",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-13702",
      "aliases": [
        "CVE-2020-13702"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/google/exposure-notifications-internals",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8f751a666697"
                },
                {
                  "fixed": "8f751a666697c3cae0a56ae3464c2c6cbe31b69e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "8f751a666697"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "8f751a666697c3cae0a56ae3464c2c6cbe31b69e"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13702.json"
          }
        }
      ],
      "modified": "2026-10-26T10:45:08.218309702Z",
      "provider": "osv",
      "references": [
        "https://blog.google/documents/70/Exposure_Notification_-_Bluetooth_Specification_v1.2.2.pdf",
        "https://github.com/google/exposure-notifications-internals/commit/8f751a666697",
        "https://github.com/google/exposure-notifications-internals/commit/8f751a666697c3cae0a56ae3464c2c6cbe31b69e",
        "https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200611.pdf",
        "https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200616-2.pdf",
        "https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200616.pdf"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:the_rolling_proximity_identifier_project:the_rolling_proximity_identifier:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "the_rolling_proximity_identifier_project:the_rolling_proximity_identifier",
            "extracted_events": [
              {
                "range": [
                  {
                    "last_affected": "2020-05-29"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          },
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "last_affected": "2020-05-29"
                  }
                ],
                "source": "DESCRIPTION"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-13702",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 450301,
  "published_at": "2020-06-11T19:15:10.073+00:00"
}