CVE-2020-12856

CRITICAL

OpenTrace <v1.0.17 - Info Disclosure

Title source: llm

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.

Exploits (1)

nomisec WORKING POC 25 stars

by alwentiu · poc

https://github.com/alwentiu/COVIDSafe-CVE-2020-12856

View Code ZIP pw:eip

References (3)

[Third Party Advisory] https://covidsafe.watch/issue-register/cve-2020-12856-long-term-tracking-and-possibly-enables-other-bluetooth-based-attack-vectors

[Third Party Advisory] https://docs.google.com/document/d/1u5a5ersKBH6eG362atALrzuXo3zuZ70qrGomWVEC27U/edit?usp=sharing

[Third Party Advisory] https://github.com/alwentiu/COVIDSafe-CVE-2020-12856/blob/master/README.md

Scores

CVSS v3 9.8

EPSS 0.1076

EPSS Percentile 93.4%

Attack Vector NETWORK

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

Details

Status published

Products (4)

alberta/abtracetogether (2 CPE variants)

health/covidsafe

health/covidsafe < 1.0.17

tracetogether/tracetogether (2 CPE variants)

Published May 18, 2020

Tracked Since Feb 18, 2026