CVE-2021-33840 describes a denial-of-service vulnerability in the Luca application, versions through 1.1.14. This flaw allows remote attackers to insert numerous fake COVID-19 records due to the lack of digital signatures on phone number data. With a CVSS score of 7.5 (High), this vulnerability is easily exploitable over the network with low complexity, requiring no user interaction or privileges, and primarily impacts availability. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.1.14CPE matchmatch criteria | cpe:2.3:a:luca-app:luca:*:*:*:*:*:android:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.