CVE-2020-13702 — The Rolling Proximity Identifier used in the Apple/Google Exposure Notification
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 i
Published
2020-06-11T18:16:01.000Z
Last modified
2024-08-04T12:25:16.528Z
CVSS vector
CVSS:3.1/AC:L/AV:A/A:N/C:L/I:N/PR:N/S:U/UI:N
01What is this vulnerability?
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.
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / n/a | n/a |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2020-06-11T18:16:01.000Z
- Last modified: 2024-08-04T12:25:16.528Z
09References
- github.com — https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulne…
- blog.google — https://blog.google/documents/70/Exposure_Notification_-_Bluetooth_Specification…
- github.com — https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulne…
- github.com — https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulne…
- github.com — https://github.com/google/exposure-notifications-internals/commit/8f751a666697c3…
- github.com — https://github.com/google/exposure-notifications-internals/commit/8f751a666697
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