CVE-2021-4161 describes a critical vulnerability in Moxa MGate MB3180, MB3280, and MB3480 series firmware, allowing attackers to intercept and decrypt login credentials via traffic sniffing. This could grant unauthorized administrative access to the HTTP web server. With a CVSS score of 7.5 (High), the vulnerability is easily exploitable over the network without user interaction, leading to high confidentiality impact. While there is no evidence of active exploitation or public exploit code, the vulnerability has garnered significant community discussion, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.2CPE matchmatch criteria | cpe:2.3:o:moxa:mgate_mb3180_firmware:*:*:*:*:*:*:*:* | ||
<= 4.1CPE matchmatch criteria | cpe:2.3:o:moxa:mgate_mb3280_firmware:*:*:*:*:*:*:*:* | ||
<= 3.2CPE matchmatch criteria | cpe:2.3:o:moxa:mgate_mb3480_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, 0.0 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.