CVE-2020-13702
The Rolling Proximity Identifier used in the Apple/Google Exposure Notification API beta through 2020-05-29 enables attackers to…
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Timeline
ID reserved
By mitre
- 12 days later
· 12 days later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| mitreCNA (assigner) | 3.1 | Medium4.3 | CVSS:3.1/AC:L/AV:A/A:N/C:L/I:N/PR:N/S:U/UI:N |
| NVDNVD · Modified | 3.1 | Critical10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N |
- EPSS (exploitation in 30 days)
- 2.2% · top 17% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Weakness
Affected products
n/a
- affected n/a
References (6)
- https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200611.pdf (opens in a new tab)x_refsource_MISCx_transferred
- https://blog.google/documents/70/Exposure_Notification_-_Bluetooth_Specification_v1.2.2.pdf (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200616.pdf (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200616-2.pdf (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/google/exposure-notifications-internals/commit/8f751a666697c3cae0a56ae3464c2c6cbe31b69e (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/google/exposure-notifications-internals/commit/8f751a666697 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-13702)Record last updated .