CVE-2021-33838 is a high-severity information disclosure vulnerability affecting Luca app versions up to 1.7.4 on Android, allowing remote attackers to obtain sensitive COVID-19 tracking data. The vulnerability stems from the timing of Check-In State requests occurring shortly after Phone Number Registration, enabling an attacker to infer information. While rated 7.5 HIGH on CVSS, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.7.4CPE 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:H/I:N/A:N
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.