OpenTrace, as used in COVIDSafe through v1.0.17, TraceTogether, ABTraceTogether, and…
Priority MEDIUM 50Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.05142 92nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:alberta:abtracetogether:-:*:*:*:*:android:*:* | not specified by NVD | Vulnerable | Alberta |
| cpe:2.3:a:alberta:abtracetogether:-:*:*:*:*:iphone_os:*:* | not specified by NVD | Vulnerable | Alberta |
| cpe:2.3:a:health:covidsafe:*:*:*:*:*:android:*:* | up to 1.0.17 | Vulnerable | Health |
| cpe:2.3:a:health:covidsafe:-:*:*:*:*:iphone_os:*:* | not specified by NVD | Vulnerable | Health |
| cpe:2.3:a:tracetogether:tracetogether:-:*:*:*:*:android:*:* | not specified by NVD | Vulnerable | Tracetogether |
| cpe:2.3:a:tracetogether:tracetogether:-:*:*:*:*:iphone_os:*:* | not specified by NVD | Vulnerable | Tracetogether |
- cpe:2.3:a:alberta:abtracetogether:-:*:*:*:*:android:*:* Versions not specified by NVD Vulnerable ·Alberta
- cpe:2.3:a:alberta:abtracetogether:-:*:*:*:*:iphone_os:*:* Versions not specified by NVD Vulnerable ·Alberta
- cpe:2.3:a:health:covidsafe:*:*:*:*:*:android:*:* Versions up to 1.0.17 Vulnerable ·Health
- cpe:2.3:a:health:covidsafe:-:*:*:*:*:iphone_os:*:* Versions not specified by NVD Vulnerable ·Health
- cpe:2.3:a:tracetogether:tracetogether:-:*:*:*:*:android:*:* Versions not specified by NVD Vulnerable ·Tracetogether
- cpe:2.3:a:tracetogether:tracetogether:-:*:*:*:*:iphone_os:*:* Versions not specified by NVD Vulnerable ·Tracetogether
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-12856
- 2026-10-03 Alias added: GHSA-9q2w-3c47-gq6j
References
Advisory 3
- https://docs.google.com/document/d/1u5a5ersKBH6eG362atALrzuXo3zuZ70qrGomWVEC27U/edit?usp=sharing
- https://github.com/alwentiu/COVIDSafe-CVE-2020-12856/blob/master/README.md
- https://covidsafe.watch/issue-register/cve-2020-12856-long-term-tracking-and-possibly-enables-other-bluetooth-based-attack-vectors
Sources
- CVE-2020-12856 · CVE Program
- CVE-2020-12856 · NVD
- FIRST EPSS
- GHSA-9q2w-3c47-gq6j · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences