synced 14 MIN AGO
01 Record

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

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
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02 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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
2.76% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 86.0% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-06-03 23:58Z5 YR AGO
Last updated
2024-08-03 23:58Z2 YR AGO
Reserved
2021-06-03
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
0f034f20a9910cf7414ef1fdc1612dd86417ff9394ec5b4f8c9342b732fd28fb

05 Affected products

VendorProductVersionsPlatforms
luca-applucaNot specified—

06 References