Vulnerability Details : 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.
Exploit prediction scoring system (EPSS) score for CVE-2020-12856
Probability of exploitation activity in the next 30 days: 0.89%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 82 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-12856
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
References for CVE-2020-12856
-
https://github.com/alwentiu/COVIDSafe-CVE-2020-12856/blob/master/README.md
COVIDSafe-CVE-2020-12856/README.md at master · alwentiu/COVIDSafe-CVE-2020-12856 · GitHubThird Party Advisory
-
https://docs.google.com/document/d/1u5a5ersKBH6eG362atALrzuXo3zuZ70qrGomWVEC27U/edit?usp=sharing
COVIDSafe Android App - BLE Privacy Issues - Google DocumentenThird Party Advisory
-
https://covidsafe.watch/issue-register/cve-2020-12856-long-term-tracking-and-possibly-enables-other-bluetooth-based-attack-vectors
COVIDSafe.watch - CVE-2020-12856 - Long-term tracking and possibly enables other bluetooth based attack vectorsThird Party Advisory
Products affected by CVE-2020-12856
- cpe:2.3:a:health:covidsafe:*:*:*:*:*:android:*:*
- cpe:2.3:a:health:covidsafe:-:*:*:*:*:iphone_os:*:*
- cpe:2.3:a:alberta:abtracetogether:-:*:*:*:*:iphone_os:*:*
- cpe:2.3:a:alberta:abtracetogether:-:*:*:*:*:android:*:*
- cpe:2.3:a:tracetogether:tracetogether:-:*:*:*:*:iphone_os:*:*
- cpe:2.3:a:tracetogether:tracetogether:-:*:*:*:*:android:*:*