9.8
CRITICAL
CVE-2020-12856
OpenTrace Bluetooth Re-Identification Vulnerability
Description

OpenTrace, as used in COVIDSafe through v1.0.17, TraceTogether, ABTraceTogether, and other applications on iOS and Android, allows remote attackers to conduct long-term re-identification attacks and possibly have unspecified other impact, because of how Bluetooth is used.

INFO

Published Date :

May 18, 2020, 4:15 a.m.

Last Modified :

Nov. 21, 2024, 5 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2020-12856 has a 9 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-12856 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Alberta abtracetogether
1 Health covidsafe
1 Tracetogether tracetogether

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Enhances your Pokémon GO Plus

accessibilityservice android bluetooth notificationlistenerservice pokemon-go

Kotlin

Updated: 2 months, 3 weeks ago
34 stars 5 fork 5 watcher
Born at : July 16, 2022, 11:45 p.m. This repo has been linked 1 different CVEs too.

None

Updated: 2 months, 1 week ago
9 stars 1 fork 1 watcher
Born at : June 21, 2022, 7:45 a.m. This repo has been linked 944 different CVEs too.

None

Updated: 7 months, 4 weeks ago
34 stars 3 fork 3 watcher
Born at : March 12, 2021, 12:22 p.m. This repo has been linked 1063 different CVEs too.

None

Updated: 2 months, 1 week ago
18 stars 10 fork 10 watcher
Born at : Jan. 2, 2021, 10:19 p.m. This repo has been linked 1053 different CVEs too.

None

Updated: 3 years, 4 months ago
3 stars 0 fork 0 watcher
Born at : Dec. 22, 2020, 12:02 p.m. This repo has been linked 3 different CVEs too.

None

Updated: 1 month ago
83 stars 32 fork 32 watcher
Born at : Oct. 2, 2020, 2:49 p.m. This repo has been linked 1114 different CVEs too.

Details of CVE-2020-14292

Updated: 4 years, 9 months ago
0 stars 0 fork 0 watcher
Born at : Aug. 20, 2020, 5:24 a.m. This repo has been linked 3 different CVEs too.

A bluetooth-related vulnerability in some contact tracing apps

Python Shell

Updated: 9 months, 3 weeks ago
26 stars 5 fork 5 watcher
Born at : May 15, 2020, 12:18 a.m. This repo has been linked 2 different CVEs too.

All the IOC's I have gathered which are used directly involved coronavirus / covid-19 / SARS-CoV-2 cyber attack campaigns

threat-intelligence indicator-of-compromise ioc cves ioc-files

Updated: 2 years, 1 month ago
65 stars 7 fork 7 watcher
Born at : March 23, 2020, 5:18 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-12856 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-12856 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://covidsafe.watch/issue-register/cve-2020-12856-long-term-tracking-and-possibly-enables-other-bluetooth-based-attack-vectors
    Added Reference https://docs.google.com/document/d/1u5a5ersKBH6eG362atALrzuXo3zuZ70qrGomWVEC27U/edit?usp=sharing
    Added Reference https://github.com/alwentiu/COVIDSafe-CVE-2020-12856/blob/master/README.md
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    May. 20, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://covidsafe.watch/issue-register/cve-2020-12856-long-term-tracking-and-possibly-enables-other-bluetooth-based-attack-vectors No Types Assigned https://covidsafe.watch/issue-register/cve-2020-12856-long-term-tracking-and-possibly-enables-other-bluetooth-based-attack-vectors Third Party Advisory
    Changed Reference Type https://docs.google.com/document/d/1u5a5ersKBH6eG362atALrzuXo3zuZ70qrGomWVEC27U/edit?usp=sharing No Types Assigned https://docs.google.com/document/d/1u5a5ersKBH6eG362atALrzuXo3zuZ70qrGomWVEC27U/edit?usp=sharing Third Party Advisory
    Changed Reference Type https://github.com/alwentiu/COVIDSafe-CVE-2020-12856/blob/master/README.md No Types Assigned https://github.com/alwentiu/COVIDSafe-CVE-2020-12856/blob/master/README.md Third Party Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:alberta:abtracetogether:-:*:*:*:*:android:*:* *cpe:2.3:a:alberta:abtracetogether:-:*:*:*:*:iphone_os:*:* *cpe:2.3:a:health:covidsafe:-:*:*:*:*:iphone_os:*:* *cpe:2.3:a:health:covidsafe:*:*:*:*:*:android:*:* versions up to (including) 1.0.17 *cpe:2.3:a:tracetogether:tracetogether:-:*:*:*:*:android:*:* *cpe:2.3:a:tracetogether:tracetogether:-:*:*:*:*:iphone_os:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-12856 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-12856 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

10.24 }} -8.29%

score

0.92733

percentile

CVSS31 - Vulnerability Scoring System
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Latest DB Update: Jun. 08, 2025 19:42