CVE-2016-5804 describes a critical authentication bypass vulnerability affecting several Moxa MGate MB series devices (MB3180, MB3280, MB3480, MB3170, MB3270) due to weak encryption. This flaw allows remote attackers to bypass authentication by brute-forcing a parameter value. With a CVSS score of 9.8 (CRITICAL), the vulnerability is easily exploitable over the network with low attack complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion and media coverage, indicating awareness and potential for future exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.8CPE matchmatch criteria | cpe:2.3:o:moxa:mgate_mb3180_firmware:*:*:*:*:*:*:*:* | ||
< 2.7CPE matchmatch criteria | cpe:2.3:o:moxa:mgate_mb3280_firmware:*:*:*:*:*:*:*:* | ||
< 2.6CPE matchmatch criteria | cpe:2.3:o:moxa:mgate_mb3480_firmware:*:*:*:*:*:*:*:* | ||
< 2.5CPE matchmatch criteria | cpe:2.3:o:moxa:mgate_mb3170_firmware:*:*:*:*:*:*:*:* | ||
< 2.7CPE matchmatch criteria | cpe:2.3:o:moxa:mgate_mb3270_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/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.