CVE-2021-4161
ICSA-21-357-01 Moxa MGate Protocol Gateways
HIGH
7.5
CVSS Score
Published: December 27, 2021 at 06:48 PM UTC
Updated: June 17, 2026 at 04:19 AM UTC
6 products affected across 1 vendorMgate MB3180 FirmwareMgate MB3480 FirmwareMgate MB3280 Firmware
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Severity
HIGH7.5
Exploit prediction
EPSS 0.7%
Description
The affected products contain vulnerable firmware, which could allow an attacker to sniff the traffic and decrypt login credential details. This could give an attacker admin rights through the HTTP web server.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 2.2v < 2.2
Affected range stops below 2.2, so it looks safe — our inference, not a vendor statement
moxa-mgate-mb3180 (same device)
Mgate Mb3180· Moxadevice
80%All versions
Mgate Mb3280· Moxadevice
80%All versions
Mgate Mb3480· Moxadevice
80%All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (1)
x_refsource_MISCThird Party AdvisoryUS Government Resource
Source: [email protected]
https://www.cisa.gov/uscert/ics/advisories/icsa-21-357-01CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-319
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