Vulnerability in Luca-App Luca
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.009 (58.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- luca-app.de/securityoverview/processes/guest_registration.html (Vendor Advisory)
- gitlab.com/lucaapp/web/-/issues/1 (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-33840?
- CVE-2021-33840 is a high-severity vulnerability in Luca-App Luca, classified under Insufficient Verification of Data Authenticity. CVSS score: 7.5/10. Published 2021-06-04.
- How severe is CVE-2021-33840?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-33840 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.