High severity7.5NVD Advisory· Published May 18, 2020· Updated Jun 17, 2026
CVE-2020-12857
CVE-2020-12857
Description
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.
Affected products
2- COVIDSafe/COVIDSafedescription
- Range: 1.0.15, 1.0.16
Patches
Vulnerability mechanics
References
3- covidsafe.watch/issue-register/cve-2020-12857-tempid-identifier-was-staticnvdThird Party Advisory
- docs.google.com/document/d/1u5a5ersKBH6eG362atALrzuXo3zuZ70qrGomWVEC27U/editnvdThird Party Advisory
- www.health.gov.au/resources/apps-and-tools/covidsafe-appnvdProductVendor Advisory
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