Description
Luca through 1.7.4 on Android allows remote attackers to obtain sensitive information about COVID-19 tracking because requests related to Check-In State occur shortly after requests for Phone Number Registration.
References (4)
Core 4
Core References
Third Party Advisory x_refsource_misc
https://github.com/mame82/misc/blob/master/luca_traceIds.md
Vendor Advisory x_refsource_misc
https://luca-app.de/securityoverview/properties/objectives.html
Exploit, Third Party Advisory x_refsource_misc
https://www.youtube.com/playlist?list=PLKuX6iczGb3kuDsm2RFgbmRkTugkR9-UE
Third Party Advisory x_refsource_misc
https://www.ccc.de/de/updates/2021/luca-app-ccc-fordert-bundesnotbremse
Scores
CVSS v3
7.5
EPSS
0.0287
EPSS Percentile
86.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-203
Status
published
Products (1)
luca-app/luca
< 1.7.4
Published
Jun 04, 2021
Tracked Since
Feb 18, 2026