CVE-2021-46390 is an access control vulnerability in the authentication module of Lexar F35 v1.0.34 and its firmware. An attacker can bypass user authentication on the secure USB flash drive by manipulating the password verification results, gaining unauthorized access to sensitive data and potentially causing a Denial of Service. The vulnerability has a CVSS score of 6.8 (Medium), indicating a physical attack vector with low complexity, requiring no user interaction. Successful exploitation grants high confidentiality, integrity, and availability impacts. Currently, there is no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. The vulnerability has received minimal community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.0.34.0CPE matchmatch criteria | cpe:2.3:o:lexar:f35_firmware:1.0.34.0:*:*:*:*:windows:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.