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Attacker Value
Unknown

CVE-2021-33838

Disclosure Date: June 04, 2021 (last updated February 22, 2025)
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.
Attacker Value
Unknown

CVE-2021-33839

Disclosure Date: June 04, 2021 (last updated February 22, 2025)
Luca through 1.7.4 on Android allows remote attackers to obtain sensitive information about COVID-19 tracking because the QR code of a Public Location can be intentionally confused with the QR code of a Private Meeting.
Attacker Value
Unknown

CVE-2021-33840

Disclosure Date: June 04, 2021 (last updated February 22, 2025)
The server in Luca through 1.1.14 allows remote attackers to cause a denial of service (insertion of many fake records related to COVID-19) because Phone Number data lacks a digital signature.