HOMEVULNERABILITIESCVE-2022-27048
HIGH

CVE-2022-27048

NVD-CWE-OtherPublished: April 15, 2022· Updated: Jun 17, 2026

7.4
CVSS v3.1

Official Description

A vulnerability has been discovered in Moxa MGate which allows an attacker to perform a man-in-the-middle (MITM) attack on the device. This affects MGate MB3170 Series Firmware Version 4.2 or lower. and MGate MB3270 Series Firmware Version 4.2 or lower. and MGate MB3280 Series Firmware Version 4.1 or lower. and MGate MB3480 Series Firmware Version 3.2 or lower.

NVD Source

Technical Analysis

CVE-2022-27048 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 7.4.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Vendors & Products

moxa40 product(s)
mgate mb3170i firmwaremgate mb3170imgate mb3170i-t firmwaremgate mb3170i-tmgate mb3170-m-st firmwaremgate mb3170-m-stmgate mb3170-m-sc-t firmwaremgate mb3170-m-sc-tmgate mb3170 firmwaremgate mb3170mgate mb3170-t firmwaremgate mb3170-t+28
Source: NVD CPE · 40 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://www.moxa.com/en/support/product-support/security-advisory/mgate-mb3170-mb3270-mb3280-mb3480-protocol-gateways-vulnerability
ADVISORYhttps://www.moxa.com/en/support/product-support/security-advisory/mgate-mb3170-mb3270-mb3280-mb3480-protocol-gateways-vulnerability

All References (2)

→
https://www.moxa.com/en/support/product-support/security-advisory/mgate-mb3170-mb3270-mb3280-mb3480-protocol-gateways-vulnerabilityVendor Advisory
→
https://www.moxa.com/en/support/product-support/security-advisory/mgate-mb3170-mb3270-mb3280-mb3480-protocol-gateways-vulnerabilityVendor Advisory

Quick Facts

CVE IDCVE-2022-27048
CVSS Score7.4 / 10
SeverityHIGH
WeaknessNVD-CWE-Other
CISA KEVNo
Affected1 vendor(s)
PublishedApr 15, 2022

Related CVEs (NVD-CWE-Other)

CVE-2005-3666
10.0
CVE-2005-1256
10.0
CVE-2005-1738
10.0
CVE-2005-1740
10.0
CVE-2005-1693
10.0
CVE-2005-1897
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-27048 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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