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CVE-2021-33838

nvd nist
Published: Jun 4, 2021Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploitability: 3.9 / Impact: 3.6
Source: NVD

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.

Affected (1)

Products: Luca App: Luca
Luca App
1 product
Luca
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Luca
Up to 1.7.4

Related CWEs

CWE-203
Observable Discrepancy
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

References (8)

Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Vendor Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory

Timeline

No history available yet.