CVE-2020-12857

Caching of GATT characteristic values (TempID) in COVIDSafe v1.0.15 and v1.0.16 allows a remote attacker to long-term re-identify an Android device running COVIDSafe.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 65%
Common Weakness Enumeration
References
https://covidsafe.watch/issue-register/cve-2020-12857-tempid-identifier-was-static
https://docs.google.com/document/d/1u5a5ersKBH6eG362atALrzuXo3zuZ70qrGomWVEC27U/edit?usp=sharing
https://www.health.gov.au/resources/apps-and-tools/covidsafe-app
https://covidsafe.watch/issue-register/cve-2020-12857-tempid-identifier-was-static
https://docs.google.com/document/d/1u5a5ersKBH6eG362atALrzuXo3zuZ70qrGomWVEC27U/edit?usp=sharing
https://www.health.gov.au/resources/apps-and-tools/covidsafe-app