CVE-2020-13702

Name: CVE-2020-13702
Creator: NVD / NIST
Published: 2020-06-11T19:15:10.073+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 10/10EPSS 2.17%

Last modified Jun 17, 2026

CVE-2020-13702 is a critical-severity vulnerability rated 10/10 on the CVSS scale. 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.. EPSS estimates a 2.17% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

10/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

EPSS Probability

2.17%

80.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
The Rolling Proximity Identifier Project	The Rolling Proximity Identifier	<= 2020-05-29

References

https://blog.google/documents/70/Exposure_Notification_-_Bluetooth_Specification_v1.2.2.pdfThird Party Advisory
https://github.com/google/exposure-notifications-internals/commit/8f751a666697Patch, Third Party Advisory
https://github.com/google/exposure-notifications-internals/commit/8f751a666697c3cae0a56ae3464c2c6cbe31b69ePatch, Third Party Advisory
https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200611.pdfExploit, Technical Description, Third Party Advisory
https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200616-2.pdfExploit, Technical Description, Third Party Advisory
https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200616.pdfExploit, Technical Description, Third Party Advisory
https://blog.google/documents/70/Exposure_Notification_-_Bluetooth_Specification_v1.2.2.pdfThird Party Advisory
https://github.com/google/exposure-notifications-internals/commit/8f751a666697Patch, Third Party Advisory
https://github.com/google/exposure-notifications-internals/commit/8f751a666697c3cae0a56ae3464c2c6cbe31b69ePatch, Third Party Advisory
https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200611.pdfExploit, Technical Description, Third Party Advisory
https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200616-2.pdfExploit, Technical Description, Third Party Advisory
https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200616.pdfExploit, Technical Description, Third Party Advisory

Timeline

Published: Jun 11, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13702?

How severe is CVE-2020-13702?

CVE-2020-13702 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 2.17% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13702?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-13702?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST