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CVE-2020-28144

CRITICAL
9.8
CVSS Score
Published: February 3, 2021 at 12:48 PM UTC
Updated: June 17, 2026 at 03:10 AM UTC
16 products affected across 1 vendorEDR G903 FirmwareEDR G902-t FirmwareEDR G903-t Firmware

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Severity
CRITICAL9.8
Exploit prediction
EPSS 3%

Description

Certain Moxa Inc products are affected by an improper restriction of operations in EDR-G903 Series Firmware Version 5.5 or lower, EDR-G902 Series Firmware Version 5.5 or lower, and EDR-810 Series Firmware Version 5.6 or lower. Crafted requests sent to the device may allow remote arbitrary code execution.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

EDR 810-2gsfp Firmware· Moxa
95%
v ≤ 5.6
moxa-edr-810-2gsfp (same device)
EDR 810-2gsfp T Firmware· Moxa
95%
v ≤ 5.6
moxa-edr-810-2gsfp-t (same device)
EDR 810-vpn 2GSFP Firmware· Moxa
95%
v ≤ 5.6
moxa-edr-810-vpn-2gsfp (same device)
EDR 810-vpn 2GSFP T Firmware· Moxa
95%
v ≤ 5.6
moxa-edr-810-vpn-2gsfp-t (same device)
EDR G902 Firmware· Moxa
95%
v ≤ 5.5
moxa-edr-g902 (same device)
EDR G902-t Firmware· Moxa
95%
v ≤ 5.5
moxa-edr-g902-t (same device)
EDR G903 Firmware· Moxa
95%
v ≤ 5.5
moxa-edr-g903 (same device)
EDR G903-t Firmware· Moxa
95%
v ≤ 5.5
moxa-edr-g903-t (same device)
Edr-810-2Gsfp· Moxadevice
80%
All versions
Edr-810-2Gsfp-T· Moxadevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.moxa.com/en/support/support/security-advisory/edr-g903-g902-810-secure-router-vulnerability

CVSS

9.8CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-119

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