CVE Vulnerability

CVE-2021-33840

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://luca-app.de/securityoverview/processes/guest_registration.html#verifying-the-contact-data Vendor Advisory
https://gitlab.com/lucaapp/web/-/issues/1#note_560963608 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:luca-app:luca:*:*:*:*:*:android:*:*
Information

Published : 2021-06-04 12:15

Updated : 2022-07-12 05:42

NVD link : CVE-2021-33840

Mitre link : CVE-2021-33840

Products Affected
No products.
CWE
CWE-345