CVE-2021-33840

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.42%
Vendor Advisory luca-app.de
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
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

Frequently Asked Questions

What is the severity of CVE-2021-33840?
CVE-2021-33840 has been scored as a high severity vulnerability.
How to fix CVE-2021-33840?
To fix CVE-2021-33840, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-33840 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-33840 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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