Vulnerability in Alberta Abtracetogether
CVE-2020-12856
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.051 (92.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.051 · newest: 0.051 · change: 0.000
Affected products
Public proof-of-concept exploits
References
- docs.google.com/document/d/1u5a5ersKBH6eG362atALrzuXo3zuZ70qrGomWVEC27U/edit (Third Party Advisory)
- github.com/alwentiu/COVIDSafe-CVE-2020-12856/blob/master/README.md (Third Party Advisory)
- covidsafe.watch/issue-register/cve-2020-12856-long-term-tracking-and-possibly-e… (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-12856?
- CVE-2020-12856 is a critical-severity vulnerability in Alberta Abtracetogether. CVSS score: 9.8/10. Published 2020-05-18.
- How severe is CVE-2020-12856?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-12856 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.