CVE-2021-33838

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.
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
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CVEADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 83%
Common Weakness Enumeration
References
https://github.com/mame82/misc/blob/master/luca_traceIds.md
https://luca-app.de/securityoverview/properties/objectives.html
https://www.ccc.de/de/updates/2021/luca-app-ccc-fordert-bundesnotbremse
https://www.youtube.com/playlist?list=PLKuX6iczGb3kuDsm2RFgbmRkTugkR9-UE
https://github.com/mame82/misc/blob/master/luca_traceIds.md
https://luca-app.de/securityoverview/properties/objectives.html
https://www.ccc.de/de/updates/2021/luca-app-ccc-fordert-bundesnotbremse
https://www.youtube.com/playlist?list=PLKuX6iczGb3kuDsm2RFgbmRkTugkR9-UE