CVE-2016-5799 describes an authentication bypass vulnerability in Moxa OnCell G3100V2 devices before firmware 2.8, and G3111, G3151, G3211, and G3251 devices before firmware 1.7. This flaw allows remote attackers to gain unauthorized access through brute-force attacks due to insufficient restriction on authentication attempts. The vulnerability is rated as Critical (CVSS 9.8), indicating a severe risk. It can be exploited remotely with low attack complexity, requiring no user interaction, and could lead to complete compromise of confidentiality, integrity, and availability of the affected devices. While there is no evidence of active exploitation (not in KEV) and no public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community attention with 11 mentions and one media article, suggesting awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.6CPE matchmatch criteria | cpe:2.3:o:moxa:oncell_g3001_firmware:*:*:*:*:*:*:*:* | ||
<= 2.7CPE matchmatch criteria | cpe:2.3:o:moxa:oncell_g3100v2_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/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, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.